International Journal of Impotence Research (2005) 17, 484–493
& 2005 Nature Publishing Group All rights reserved
Recovery of erection after pelvic urologic surgery: our experience
L Gallo1*, S Perdona˜1, R Autorino1, E Celentano1, L Menna1, G Di Lorenzo1 and A Gallo1
1Division of Urology, National Cancer Institute, ‘Fondazione Pascale’, Naples, Italy
The incidence of erectile dysfunction (ED) in patients undergoing pelvic urologic surgery, theefficacy and tolerability of vardenafil-based rehabilitative treatment as first option in these patients,the role of spontaneous erection (SE) as a possible positive predictive factor to erection recoveryafter such treatment, and the role of second-line therapies in those nonresponders are evaluated. Allthe patients undergoing pelvic urologic surgery at our Institution between November 2002 andDecember 2003 were considered. Preoperative erectile function (EF) was evaluated by using theabridged five-item version of the International Index of Erectile Function (IIEF5) questionnaire. Study population was divided into separate groups considering grade of preoperative EF, nervesparing (NS) surgery and type of procedure (radical prostatectomy, radical cystectomy (RC) ornerve and seminal sparing cystectomy). In total, 86 patients were evaluated. After 6 months,an increase in mean IIEF5 score of 12.9 points was found in those who had undergone a bilateralNSRP after vardenafil therapy, of 8.0 points in those who had undergone unilateral NSRP, of 11.3in those who had undergone NSRC and of 11.5 in nerve and seminal sparing cistectomies. Abetter vardenafil response was found in patients with SE þ (Po0.001). Among those vardenafilnotresponders, 13 were treated by using intracavernous injections, one by vacuum device and threewith penile prosthesis implant. In conclusion, in our experience, vardenafil showed to be welltolerated and effective for recovery of EF in patients undergoing pelvic urologic surgery. This drugwas particularly effective for those with a normal preoperative EF undergoing an NS procedure. Ofcourse, it should be recognized that the absence of a control group in the study represents animportant limitation. However, based on the data from the literature, there is a strong belief thatsuch an approach will lead to an earlier recovery of EF than without rehabilitative treatment. International Journal of Impotence Research (2005) 17, 484–493. doi:10.1038/sj.ijir.3901338;published online 12 May 2005
Keywords: pelvic cancer treatments and sexual dysfunction; oral vasoactive agents; pharmacologicstudies in sexual function; intracaversonal therapy
(ED) ranging up to 80%, with a remarkable worsen-ing of quality of life especially in younger patients.2
Radical cystectomy (RC) represents the gold
As a result of improved screening of men over the
standard curative treatment for infiltrating bladder
age of 50 y with digital rectal examination and PSA
cancers, and it is increasingly advocated for high-
testing, early diagnosis of prostate cancer (PCa) is
risk aggressive superficial bladder cancer.3 During
possible and makes it a curable disease. Radical
this surgical procedure, the neurovascular bundles
prostatectomy (RP) represents a potential definitive
(NVBs) are usually removed or damaged, and it
therapy in the management of organ confined
results in a dramatic negative impact on many
prostate cancer.1 On the other hand, this surgical
act is burdened by high rates of erectile dysfunction
Hence, the preservation of erectile function (EF)
after pelvic urologic surgery still represents a majorchallenge for most urologists.
Since the anatomical studies by Walsh and
Donker in the early 1980s, surgeons became aware
*Correspondence: L Gallo, Division of Urology, National
of the location of the NVBs carrying the cavernous
Cancer Institute, ‘Fondazione Pascale’, Via Mariano
nerves, which are responsible for erection.5 As a
result of this improved understanding of the
E-mail: gigginogallo@tin.itReceived 24 December 2004; revised 7 March 2005;
anatomy, nerve sparing (NS) techniques have be-
come feasible in order to maintain EF without
Recovery of erection after pelvic urologic surgeryL Gallo et al
compromising cancer control.6,7 However, the risk
For the patients with bladder cancer, we per-
formed a NS cystoprostatectomy, as described by
Treatment for postoperative ED historically has
Brendler et al.17 A nerve and seminal sparing radical
included the use of vacuum devices, intracavernosal
cystectomy, as described by Colombo et al,18 was
and intraurethral pharmacotherapy or placement of
performed in selected cases (o65 y, strongly moti-
a penile implant. The advent of a new class of drugs,
vated patients, with multifocal T1 G3 or unifocal,
phosphodiesterase type 5 (PDE5) inhibitors, has
extratrigonal T2 cancer, with PSAr4 ng/dl and
provided an oral treatment alternative to those
patients suffering from this surgery related compli-
The study was approved by Ethics Committee and
Scientific Board of our Institution and all patients
Sildenafil was the first agent to be approved in
this class.10 In the last few years, two newmolecules, tadalafil and vardenafil, have beenintroduced and approved as a treatment for ED.11
The latter is rapidly absorbed, with the time formaximum plasma concentration as short as 0.5–0.6 h and an elimination half-life of 4.8–6.0 h. In
At 1 month after catheter removal, the possibility of
in vitro essays, it was shown to have a greater
participating in an EF recovery protocol was offered
selective affinity for receptorial site on PDE5
to all patients. For those interested in the protocol,
enzyme than sildenafil.12 In clinical studies, varde-
we administered again the IIEF5, considering the
nafil significantly improved erections compared to
scores, the questionnaire obtained at first visit as a
placebo.13 At the dosage of 10 and 20 mg, it was
baseline for evaluation of results. Moreover, we
more effective than placebo in patients with ED
investigated the presence of SEs during the period
subsequent to surgery, defining ‘spontaneous erec-
The objectives of our study were to evaluate the
tion’ as the ability to achieve a partial or total penile
incidence of ED in patients undergoing pelvic
tumescence during the period immediately after the
urologic surgery, the efficacy and tolerability of
surgery without pharmacological aids (ie before the
vardenafil-based rehabilitative treatment as first
beginning of rehabilitative protocol). This aspect
option in these patients, the role of spontaneous
was investigated asking the patient: ‘Did you notice
erection (SE) as a possible positive predictive factor
in the period following catheter removal any
to erection recovery after such treatment, the role of
modification of your penis rigidity determined by
second-line therapies in those nonresponders.
any type of sexual stimulation?’. Those answering‘yes’ were classified as SE þ .
Then, a rehabilitative therapy was started by using
vardenafil 20 mg at least three times a week taken ondemand. Patients were encouraged to have sexualactivity.
The follow-up consisted in a visit every 3 months
up to 12 months. During each visit, the tolerance tothe treatment and the EF was evaluated by using the
All the patients undergoing pelvic urologic surgery
IIEF5 questionnaire. We considered as ‘vardenafil
at our Institution between November 2002 and
responders’ patients totalizing a score Z3 to both
questions 2 and 3 of the questionnaire. Practically,
Preoperative EF was evaluated by using the
these were the ones able to penetrate partners’
abridged five-item version of the International Index
vagina and to keep erection in the most part of the
of Erectile Function (IIEF5) questionnaire.15 Based
on this questionnaire, study population was divided
At second visit (6 months), we performed a
into four groups: group a (normal EF: score 21–25),
diagnostic test using intracavernous injection (ICI)
group b (mild ED: score 15–20), group c (moderate
with alprostadil 20 mg to all patients. We also gave a
ED: score 9–14), group d (severe ED: score 1–8).
questionnaire asking grade of satisfaction for this
Only patients in the groups a and b (ie normal EF or
therapeutic option (see Appendix A). The vardenafil
mild ED) were submitted to an NS surgery.
responders were invited to choose between oral
For those with PCa, a bilateral or unilateral NSRP
therapy and ICI. In case of preference for vardenafil,
was performed when lateral biopsy cores were
based on the previous grade of response to the drug,
negative at both sides or at one side only, respec-
we considered modifying dosage to 10 or 5 mg (dose
tively. On the other hand, bilateral excision of NVBs
setting) or eventually abolishing therapy. Vacuum
was chosen in any cases where older (465 y)
constriction device (VCD) was offered as an alter-
patients or when PSA Z20 ng/ml and/or Gleason
native to ICI for vardenafil not-responders. As the
score Z7 were involved. The NSRP technique was
last option, we proposed surgical intervention of
penile prosthesis implant to those not satisfied with
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgery
One month after catheter removal
• Presence of spontaneous erection First visit
• IIEF 5
• Start therapy Vardenafil 20 mg at least 3 times per week taken on demand
• IIEF 5
• Tollerance to therapy Second visit (3 months)
• Diagnostic ICI RESPONDERS NOT RESPONDERS Vardenafil 20 mg at least 3 times per week
• IIEF 5 Third visit (6 months)
• Tollerance to therapy Responders Not Responders RESPONDERS Not Responders Penile prsthesis DOSE SETTING
any of the previous by mentioned therapeutic
SE in the immediately postoperative period (SE þ )
from those who had not (SEÀ). In these two groups,
In those patients who were not-responders, and
we evaluated the different percentages of vardenafil
previously submitted to NS surgery, initial therapy
responders, oral therapy dose setting or abolish-
was prolonged at least for 6 months, before defining
a patient as a vardenafil responder or not. In thosenot-responders who were not submitted to NS, wedirectly offered an alternative treatment option (ieICI or VCD), after the initial three months.
In the evaluation of the data, study population
was divided into separate groups considering thegrade of preoperative EF, the type of surgery (NS or
Frequency distributions of IIEF5 scores were ana-
not), the type of procedure (RP, RC or nerve and
lysed at different times for each subgroup. Student’s
t-test was used to compare distributions of scores
Moreover, among the patients who underwent an
at different times (1, 3, 6, 9, 12 months) in those
NS surgery, we separated those who already had an
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgeryL Gallo et al
subgroup could not be performed, because of the
considering preoperative EF, type of procedure and
To evaluate the efficacy of vardenafil therapy over
6 months, differences in IIEF5 scores at 6, 9, 12
Bilateral NSRP group (22 patients): 12 had a
months on postoperative scores were calculated and
normal preoperative EF, 10 a mild ED. The results
transformed in categories of five points’ difference
to perform analysis of concordance of these differ-
therapy during the first month after surgery.
Pearson w2 test was used to compare, in the groups
We found an increase of 12.9, 13, and 12.6
of patients with or without SE, proportions of those
vardenafil-responders, those reducing the dose,
to baseline after 6, 9 and 12 months, respec-
those abolishing the therapy and those preferred
tively. In seven of them, we could reduce dosage
to 10 mg and in 2–5 mg. Only three patients
All the tests were considered statistically signifi-
were able to have sexual intercourse without
cant when P-values were less than 0.01. All
therapy. None required a second-line treatment.
statistical analyses were performed using SPSS for
We did not find differences in IIEF 5 score after
Windows statistical package (SPSS Inc., Chicago).
6, 9 and 12 months of therapy even after dosesetting.
Mild ED: 40% had SE during the first month.
The increase of mean IIEF5 scores after 6months was of 8.2. In none, was dose settingpossible. One patient preferred ICI.
Unilateral NSRP group (18 patients): 10 had a
normal EF, while eight presented a mild ED. Theresults were as follows (Figure 2):
Overall, 95 patients underwent pelvic urologic
surgery, 58 RPs and 37 RCs. Mean age was 59.4
Normal erection: two were SE þ . Mean IIEF5
(range 50–76 y, SD 9.6). In total, 40 patients had
score increased by 8.0 at 6 months, 10.2 at 9
normal EF (42.1%), 31 mild ED (32.6%), 11
months and 10.5 at 12 months. In one patient
moderate ED (11.5%) and 13 severe ED (13.6%).
We found the incidence of the following risk factors
in moderate and severe ED: eight cases of hyperten-
Mild ED: only one patient was SE þ . Increase of
sion (30%), five cases of diabetes (20.8%), 12 cases
IIEF5 mean score was of 4.8, 10.6 and 10.8
of chronic smoking (50%) and five cases of hyper-
points at 6, 9 and 12 months, respectively. No
diminution of dosage was required and fourpatients preferred ICI.
NSRC group (20 patients): 12 presented a normal
EF before surgery, eight had a mild ED. *
Normal erection: one-third of them was SE þ . After 6 months of therapy, mean IIEF5 increased
In total, 86 patients were included in the study,
of 11.3 points. In four patients we could provide
since nine patients refused to enter in the protocol.
dose setting and in two abolish therapy. No one
As previously mentioned, the results were evaluated
of these preferred other forms of treatment. BILATERAL UNILATERAL Normal Erection Normal Erection preoparative 1 month after catheter removal preoparative 1 month after catheter removal 12 months 12 months
Figure 2 Mean IIEF5 score variations after vardenafil therapy in bilateral and unilateral nerve sparing radical prostatectomies. International Journal of Impotence Research
Recovery of erection after pelvic urologic surgery
NERVE AND SEMINAL SPARING RADICAL NS RADICAL CISTECTOMIES CISTECTOMIES Normal Erection Normal Erection preoparative 1 month after catheter removal preoparative 1 month after catheter removal 12 months 12 months
Figure 3 Mean IIEF5 score variations after vardenafil therapy in NS radical cistectomies and in nerve and seminal sparing cistectomies.
Mild ED: two of eight were SE þ . Mean IIEF5
Vardenafil
increase was of 8.5 points after 6 months. In no
Responders:
one did we considere lower dosage. Only one
Prostate and seminal sparing RC group (four
patients): all had normal preoperative EF andwere SE þ . In all patients, rehabilitative treatmentwas not necessary. Mean IIEF 5 scores before andafter the surgery were not significantly different(Figure 3).
Standard RP (12 patients): seven had normal EF or
a mild ED. Five patients had a severe or moderateED before surgery. In this, group we tried oraltherapy just for 3 months. None showed aresponse to the treatment: four patients aban-
doned the study, four responded to ICI, one
Prosthesis: 3% Drop out: 15%
accepted VCD and in three penile prosthesis wasimplanted. VCD: 1.1%
Standard RC (10 patients): none had a normal
preoperative EF. We found no IIEF5 scores
improvement. Nine abandoned the protocol andone pateint was successfully treated with ICI.
6, 9, and 12 months with respect to baseline oftherapy, statistical analysis showed that no further
improvement of EF with vardenafil is obtained at9 and 12 months. The comparison between scoredistributions at different times in this group of
In total, 13 out of 86 evaluable patients (13%)
patients is represented in Figure 5. Student’s t-test
abandoned the protocol, 13 preferred ICI (15%), one
values, calculated in pairs of value at 6, 9, and 12
preferred VCD (1.1%) and three (3.4%) were
months in respect of 1 month scores, were respec-
submitted to penile prosthesis implantation. Over-
tively 31.5, 30.8, and 32.8 (all with P-value o0.001).
all, independent of the type of surgery and pre-
Analysis of concordance between calculated IIEF5
operative EF, 57 patients (66%) were vardenafil
scores differences at 6 versus 1 month, at 9 versus 1
responders and none of them chose alternative
month and at 12 versus 1 month resulted in Cohen K
of 0.75 and 0.82, respectively (Po0.001).
After the first 6 months, in 12 of 57 patients (21%)
In total, 25 out of 64 patients undergoing NS
we could provide a dose setting and in nine (15.7%)
surgery (39%) were SE þ after catheter removal. All
no further treatment was required. Considering the
these finally responded to vardenafil treatment. In
modification of mean IIEF5 scores in the 57
this group, nine patients (36%) did not require
vardenafil responder, patients over the time, after
further therapy and eight (32%) could be treated
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgeryL Gallo et al
Among the 20 patients who underwent RC, we
had one case of incidental PC. Among the fourpatients who underwent nerve and seminal sparing
RC, none had PSA values elevation at follow-up.
Adverse events related to vardenafil were: headache(8.8%), flushing (7.5%), dyspepsia (4.5%), nasal
preoparative 1 month after catheter removal
congestion (3.2%), diarrhoea (2.6%), dizziness
(2.2%), and arthralgia (2.0%). In the 13 patients
12 months
treated with ICI, adverse reactions were found in
Figure 5 Mean IIEF5 variations in vardenafil responders group.
three cases: one with painful erections and two withpriapism, resolved with a-adrenergic agonist injec-tion. Nine patients agreed to try the VCD, but onlyone regularly used it.
Why to treat and prevent ED following pelvic
RP is a potentially definitive therapy, but, at sametime, it is burdened by complications such as ED
and urinary incontinence, with rates ranging up to
Vardenafil Dose setting (%) Therapy switch to
80 and 25%, respectively.19 While an increasing
response (% ) abolishment (%)
number of studies have reported very satisfactory
SE þ and SEÀ groups: different percentages of oral
postoperative rates of urinary continence, the pre-
therapy response, therapy abolishment, dose setting and switched
servation of EF after surgery remains the most
important challenge for urologists.20 It has alreadybeen demonstrated that there is a significant andsustained effect of ED on quality of life after RP.21 On
with a lower dosage of the drug; no patient had to
the other hand, although surgical cure is always the
switch to ICI. In those SEÀ, 31 patients (74.5%)
priority in the patients undergoing RC, ED will
responded to oral therapy, in only six cases (15.3%),
become a more accountable end point in the future
a lower dosage could be used, while eight patients
management of bladder cancer. Similar to what
switched to ICI (20.5%) (Figure 6). Statistical
occurred in PCa, better screening and monitoring
comparison between these two groups (SE þ versus
protocols for bladder cancer will cause stage migra-
SEÀ) showed that there was a significant difference
tions and provide earlier indications for RC.4
in those requiring no further therapy after the initialperiod (w2 value 16.337 with Po0.001), in thoseallowing a reduced dosage (w2 value 2.461 with P not
significant) and in those switching to ICI (w2 value5.861 with Po0.001).
We used the abridged five-item version of IIEFquestionnaire to define and validate the degree of
ED in our surgical population. This diagnostic toolwas found to be very useful. It consists of a fivequestion schedule exploring all the aspects of sexual
In 38/40 patients (95%), who had undergone an
activity including erection quality, penetrating abil-
NSRP, cancer was pT2. In the two cases (5%) with a
ity, difficult to keep erection and sexual intercourse
pT3 tumor, gleason score was o5. Both patients are
pleasure.15 Moreover, we consider the question 2
under hormonal therapy with bicalutamide 150 mg,
and 3 (penetrating and maintenance ability) to be
without libido problems and no PSA relapse at
the more appropriate to evaluate the response to the
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgery
We think that for this category of patients IIEF5 is
Commonly after an NSRP with the slow return of
preferable to more expensive and invasive studies
SEs, a dysfunctional sexual dynamic may develop in
such as eco-colour-doppler or Rigiscan. Moreover,
couples, the patient withdraws sexually as he is
the aetiology of this kind of ED is well understood
increasingly discouraged with his lack of EF, which
(Surgical damage or complete excision of NVBs22)
is a constant reminder of cancer. The female partner,
and for this reason further diagnostic assessment is
relieved that the patient has survived the surgery,
may be satisfied with his companionship and is notanxious to upset him by making sexual overturesthat may frustrate him. Successful rehabilitative
Positive predicting factors to erection recovery
therapy early after surgery may contribute to breakthis negative cycle.26
It is preferable to start the therapy always with
It has been suggested that positive predicting factors
maximal dosage and providing dose setting at
for recovery of EF after RP are young patient age,
follow-up in cases of good response. Previously
preoperative EF, preservation of NVBs and early
published data with sildenafil suggest that the
highest available dose of a PDE5 inhibitor is usually
In our experience, the two main predicting factors
necessary to treat ED following surgery.27
were preoperative EF and NVBs preservation: when
We could not provide a control group for ethical
these two elements were concomitant, we observed
reasons: the same drug already showed to be more
the maximum positive response to vardenafil ther-
active than placebo for this same indication in a
apy, evaluated as an increase of mean IIEF5 scores.
study by Brock et al.14 It remains unclear whether
When only one NVB was spared or when preopera-
patients who did not receive oral therapy, especially
tive EF was not complete, we did not find the same
in the most favourable groups, would not have
positive results. Hence, we believe therapy must
otherwise recovered function over time with ob-
be conducted only in men without ED or affected
servation alone. The question as to whether varde-
by mild ED before operation. Oral therapy is useless
nafil or related oral drugs truly rehabilitate erection
for patient with preoperative ED and/or for ones that
remains open. However, there is a strong belief that
did not undergo NS surgery. For this reason,
such treatment will lead to earlier recovery of
providing different therapeutic options is suitable
erections than without treatment.28 As yet data on
in these cases. Anyway we chose to start with oral
the efficacy of early postoperative erectile treatment
treatment as recommended by the EAU guidelines,
rely on very few randomized trials.29 As the natural
which consider PDE5 inhibitors as the first-line
recovery of EF has been reported to take as long as 2
years,26 it is possible that the erectile rehabilitation
About NS surgery, it is not always possible to
may simply bring forward the natural healing time
preserve both NVBs for oncological reasons and,
of potency rather than saving patients from perma-
above all, it is not always possible to be sure to have
nent erectile failure. Larger randomized trials with
preserved them. Devices such as Cavermaps could
at least 2 y of follow-up are required before a definite
help surgeons for this purpose.25 Unfortunately, this
conclusion can be drawn on the true efficacy of
device is not yet widespread and its definitive
results are not yet available. Therefore, only the
Among the PDE5 inhibitors, we chose to use
clinical evidence of EF after surgery could confirm
vardenafil because it has been introduced recently
into the Italian market and for its pharmacologicalprofile. We thought it was the most suitablemolecule for this difficult category of patients.
However, comparative studies are necessary, sinceall the three available molecules showed to be moreeffective than placebo to treat DE after pelvic
The introduction of PDE5 inhibitors revolutionized
urologic surgery.31 In particular, vardenafil has been
tested in patients treated with ED following a uni-
Their role is much more important in patients
or bilateral NSRP in a multicentre, prospective,
undergoing unilateral NS surgery or presenting mild
placebo controlled, randomized study. This was
preoperative ED, in which it is necessary to max-
a 12-week parallel arm study comparing placebo to
imize all residual neurovascular function to ensure
vardenafil 10 and 20 mg. In total, 71 and 60% of
the best cavernous tissue response. In our experi-
patients treated with a bilateral NS procedure
ence, no patient with these characteristics was able
reported an improvement of EF following the
to have sexual activity without vardenafil and few of
administration of vardenafil 20 and 10 mg, respec-
tively. A positive answer to SEP2 question (were you
For patients who underwent bilateral NS surgery,
able to insert your penis into your partner’s vagina)
PDE5 inhibitors accelerate erection recovery work-
was seen in 47 and 48% of patients using vardenafil
ing as an incentive to maintain sexual interest.
10 and 20 mg, respectively. A positive answer to the
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgeryL Gallo et al
more challenging question SEP3 question (did your
after pelvic urologic surgery: MUSE (Medicated
erections last enough to have successful inter-
Urethral System for Erection), combination of MUSE
course?) was seen in 37 and 34% of patients,
and sildenafil,36 VCD and penile prosthesis im-
plant.37 Among these options, MUSE is an interest-ing
unfortunately it is not yet available in Italy at themoment.
When to start oral therapy and how long to waitbefore providing alternative options?
Could spontaneous postoperative erections be
It has been suggested that rate of success strongly
considered as a positive predicting factors to oral
depends on early beginning of therapy and used
dosage.9 Starting the therapy as early as possible is avery important issue since several reports showedhow ‘penis is not a muscle, but behaves like a
We found the presence of SE after catheter removal
muscle’: the better understanding of pathophysiol-
in our study as a positive predictive factor to
ogy of post prostatectomy ED including the concept
vardenafil therapy response and final erection
of tissue damage induced by poor corporeal oxyge-
recovery. Indeed, there were statistically significant
nation paved the way to the application of pharma-
differences in SE þ and SEÀ groups regarding the
percentages of those in which we could abolish
therapy (36 versus 0%, respectively) and of those
We chose to begin treatment 1 month after
who had to use ICI to have sexual intercourse (0
catheter removal to verify the presence of SE and
versus 20.5%, respectively). SE had the same role
to reduce the influence of urinary incontinence that
also in patients treated with tadalafil, as reported by
could alter the results of rehabilitative therapy.
Montorsi et al.31 We think it is always necessary to
In a previous experience, sildenafil appeared to be
consider this aspect for its clinical utility.
ineffective in the first 9 months following surgery;therefore, it was suggested to wait this time afterevaluating treatment.33 We think this period to be
NS surgery is not always possible: correct case
excessive: in our experience, we found concordance
selection and respect of oncological criteria
in vardenafil responders considering mean IIEF5scores at 6, 9 and 12 months. Practically, vardenafilachieves its maximum effect already at 6 months of
Recovery of EF is certainly an important goal for
treatment. After this time it is possible to provide a
urologists. Anyway we do not have to forget that the
dose setting to vardenafil responders and to counsel
main purpose of uro-oncological surgery remains
to try a second-line of treatment to those not
the cancer control. In a previous study, patients
interviewed about their expectations were interestedmore to quality of life and absence of complicationsthan to overall survival.38
We think both goals can be achieved if correct
Efficacy and compliance of second-line treatments
oncological criteria on cases selection are respected:NS prostatectomy determines an excision of the
In patients who did not undergo NS surgery,
gland very close to its lateral aspect and for this
independently on their preoperative EF, it is
reason there is the risk to leave tumoral tissue in the
necessary to start immediately with alternative
field. In our experience, this complication occurred
options. In particular, we agree with the fact that
only in 5% of the cases and in all of them we could
ICI is the best treatment.34 Delaying treatment with
manage the problem by using antiandrogen mono-
ICI could determine cavernous tissue fibrosis. To
therapy with bicalutamide without consequences on
avoid this dangerous complication we provided to
all our study population ICI diagnostic test inde-pendently from response to therapy. Furthermore,early ICI could help patients psychologically, mak-
ing them understand that oral therapy is not the onlyoption and even when it fails other forms oftreatment are available. Our experience confirmed
In our experience, vardenafil showed to be well
that patients preferred ICI to VCD as reported in
tolerated and effective for recovery of EF in patients
undergoing pelvic urologic surgery. This drug was
Other studies reported different types of therapies
particularly effective for those with a normal
showing to be successful in recovery of erection
preoperative EF undergoing an NS procedure. International Journal of Impotence Research
Recovery of erection after pelvic urologic surgery
A 6-month period can be considered sufficient for a
12 Keating GM, Scott LJ. Vardenafil: a review of its use in erectile
correct evaluation of oral therapy. After this time,
dysfunction. Drugs 2003; 63: 2673–2703.
not-responder patients should be counselled to try
13 Porst H et al. The efficacy and tolerability of vardenafil, a new,
oral, selective phosphodiesterase type 5 inhibitor, in patients
with erectile dysfunction: the first at-home clinical trial. Int J
Of course, it should be recognized that the
absence of a control group in the study represents
14 Brock G et al. Safety and efficacy of vardenafil for the
an important limitation to the proof of our rehabi-
treatment of men with erectile dysfunction after radical
litative therapy on EF recovery after surgery. How-
retropubic prostatectomy. J Urol 2003; 170(4 Part 1):1278–1283.
ever, based on the data form the literature, there is a
15 Rhoden EL, Teloken C, Sogari PR, Vargas Souto CA. The use of
strong belief that such approach will lead to an
the simplified International Index of Erectile Function (IIEF-5)
earlier recovery of EF than without rehabilitative
as a diagnostic tool to study the prevalence of erectile
dysfunction. Int J Impot Res 2002; 14: 245–250.
16 Walsh PC. Anatomic radical retropubic prostatectomy. In:
The presence of SE after catheter removal is a
Walsh, Retik, Vaughan, Wein (eds) Campbell’s Urology, 8 edn,
useful clinical instrument to predict response to oral
therapy and final EF recovery. Among the second-
17 Brendler CB et al. Local recurrence and survival following
line therapies, ICI showed to be more effective and
nerve-sparing radical cystoprostatectomy. J Urol 1990; 144:
1137–1140, discussion 1140–1141.
18 Colombo R et al. Nerve and seminal sparing radical cystect-
omy with orthotopic urinary diversion for select patients withsuperficial bladder cancer: an innovative surgical approach.
J Urol 2001; 165: 51–55, discussion 55.
19 Stanford JL et al. Urinary and sexual function after radical
prostatectomy for clinically localized prostate cancer: theProstate
The questionnaire for evaluation of ICI was invented
and created by Dr Ana Puigvert and Dr JoseMaria
20 Siegel T et al. The development of erectile dysfunction in men
Pommerol of Andrology Service ‘Fondacion Puig-
treated for prostate cancer. J Urol 2001; 165: 430–435.
vert’ Barcelona Spain. The same questionnaire was
21 Meyer JP, Gillatt DA, Lockyer R, Macdonagh R. The effect of
erectile dysfunction on the quality of life of men after radical
translated and adapted to Italian and English by
prostatectomy. BJU Int 2003; 92: 929–931.
22 Podlasek CA et al. Analysis of NOS isoform changes in a post
radical prostatectomy model of erectile dysfunction. Int JImpot Res 2001; 13(Suppl 5): S1–S15.
23 Rabbani F et al. Factors predicting recovery of erections after
radical prostatectomy. J Urol 2000; 164: 1929–1934.
24 Wespes E et al. EAU Guidelines on Erectile Dysfunction.
August 2004 edn. EAV Health Care Office, pp 4–5.
1 Holmberg L et al. Scandinavian Prostatic Cancer Group Study
25 Lue TF et al. Intraoperative electrostimulation of the caver-
Number 4. A randomized trial comparing radical prostatect-
nous nerve: technique, results and limitations. J Urol 1995;
omy with watchful waiting in early prostate cancer. N Engl J
26 McCullough AR. Prevention and management of erectile
2 Meyer JP, Gillatt DA, Lockyer R, Macdonagh R. The effect of
dysfunction following radical prostatectomy. Urol Clin North
erectile dysfunction on the quality of life of men after radical
prostatectomy. BJU Int 2003; 92: 929–931.
27 Zippe CD et al. Role of Viagra after radical prostatectomy.
3 Stein JP, Skinner DG. Results with radical cystectomy for
treating bladder cancer: a ‘reference standard’ for high-grade,
28 Gontero P, Kirby R. Proerectile pharmacological prophylaxis
invasive bladder cancer. BJU Int 2003; 92: 12–17.
following nerve-sparing radical prostatectomy (NSRP). Pros-
4 Zippe CD et al. Sexual function after male radical cystectomy
tate Cancer Prostatic Dis 2004; 7: 223–226.
in a sexually active population. Urology. 2004; 64: 682–685;
29 Padma-Nathan H, McCullough A, Forest C. Erectile dysfunc-
tion secondary to nerve-sparing radical retropubic prostatect-
5 Walsh PC, Donker PJ. Impotence following radical prostatect-
omy: comparative phosphodiesterase-5 inhibitor efficacy for
omy: insight into etiology and prevention. J Urol 1982; 128:
therapy and novel prevention strategies. Curr Urol Rep 2004;
6 Walsh PC. Radical prostatectomy for localized prostate cancer
30 Gontero P, Kirby R. Early rehabilitation of erectile function
provides durable cancer control with excellent quality of life:
after nerve-sparing radical prostatectomy: what is the evi-
a structured debate. J Urol 2000; 163: 1802–1807.
7 Spitz A, Stein JP, Lieskovsky G, Skinner DG. Orthotopic
31 Montorsi F et al. Tadalafil in the treatment of erectile
urinary diversion with preservation of erectile and ejaculatory
dysfunction following bilateral nerve sparing radical retro-
function in men requiring radical cystectomy for nonuro-
pubic prostatectomy: a randomized, double-blind, placebo
thelial malignancy: a new technique. J Urol 1999; 161:
controlled trial. J Urol 2004; 172: 1036–1041.
32 Montorsi F et al. Recovery of spontaneous erectile function
8 Siegel T et al. The development of erectile dysfunction in men
after nerve-sparing radical retropubic prostatectomy with
treated for prostate cancer. J Urol 2001; 165: 430–435.
and without early intracavernous injections of alprostadil:
9 Briganti A et al. Emerging oral drugs for erectile dysfunction.
results of a prospective, randomized trial. J Urol 1997; 158:
Expert Opin Emerg Drugs 2004; 9: 179–189.
10 Raina R et al. Efficacy and factors associated with successful
33 Raina R et al. Long-term effect of sildenafil citrate on erectile
outcome of sildenafil citrate use for erectile dysfunction after
dysfunction after radical prostatectomy: 3-year follow-up.
radical prostatectomy. Urology 2004; 63: 960–966.
11 Meuleman EJH, Mulders PFA. Erectile function after radical
34 Raina R et al. Long-term efficacy and compliance of
prostatectomy: a review. Eur Urol 2003; 43: 95–102.
intracorporeal (IC) injection for erectile dysfunction following
International Journal of Impotence Research
Recovery of erection after pelvic urologic surgeryL Gallo et al
radical prostatectomy: SHIM (IIEF-5) analysis. Int J Impot Res
desiring noninvasive therapy. Int J Impot Res 2002; 14(Suppl
35 Soderdahl DW, Thrasher JB, Hansberry KL. Intracavernosal
37 Carson CC, Mulcahy JJ, Govier FE. Efficacy, safety and patient
drug-induced erection therapy versus external vacuum de-
satisfaction outcomes of the AMS 700CX inflatable penile
vices in the treatment of erectile dysfunction. Br J Urol 1997;
prosthesis: results of a long-term multicenter study. AMS
700CX Study Group. J Urol 2000; 164: 376–380.
36 Nehra A, Blute ML, Barrett DM, Moreland RB. Rationale for
38 Hatzichristou D. Come trattare la disfunzione erettile post-
combination therapy of intraurethral prostaglandin E(1) and
prostatectomia radicale. 76th Congress of Societa` Italiana di
sildenafil in the salvage of erectile dysfunction patients
Intracavernous injection diagnostic test (ICIDT)
In order to evaluate your problem properly and assess the best therapy for you, it is very important that youbring back this questionnaire filled on your next visit. In case of persistent erection for more than 4 h, pleaseavoid any erotic stimulation and soak your penis in cold water. If erection persists do not hesitate to contactus.
INJECTION———————————————
DATE———————————————
TIME———————————————
Did you have any erection after the injection?
How much time elapsed between injection and erection?————————————————————————
How long did it last?——————————————————————————————————————————————
How was it compared with your spontaneous penile tumescence?
Did you attempt any sexual activity with your
Did sexual stimulation increase your erection?
if yes, what did you do? ———————————————————————————————————————————
Did any other complications occur ?NO &
Specify———————————————————————————————
In conclusion, do you think you will use this kind of injection regularly for
10. Comments ———————————————————————————————————————————————————
——————————————————————————————————————————————————————————
——————————————————————————————————————————————————————————
——————————————————————————————————————————————————————————
——————————————————————————————————————————————————————————
(Please do not forget to take this questionnaire on the day of your next visit.)
International Journal of Impotence Research
Three Probable Cases of Parthenogenesis in Lizards (Agamidae, Chamaeleontidae, Gekkonidae) Museum of Comparative Zoology and Biological Laboratories, Harvard University, Cambridge (Massachusetts 02138, USA). 13 April 1970. Neither parthenogenesis nor triploidy has previously been reported in the infraorder Iguania, comprising the families Iguanidae, Agamidae, and Chamaeleontidae. Duri
Material, equipo médico y veterinario LISTA DE PRECIOS VET Producto Descripción 1125 BICARNAT 7.5% 10 ml c/ 100 amp. 1293 PISACAINA 2 % C/ EPINEF. 50 ML. 2471 RANULIN 50MG./2ML. INY. 5 AMPLL. Material, equipo médico y veterinario LISTA DE PRECIOS VET Producto Descripción Material, equipo médico y veterinario LISTA DE PRECIOS VET Producto Descripción Ma