A Serrano Durbá

Hospital Universitari i Politècnic la Fe, Valenza, Valencia, Spain

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Publications (50)42.33 Total impact

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    ABSTRACT: Polyps in the urinary tract are a rare entity in infants and children. The most frequent location when they appear is the ureter. These benign lesions with no malignant potential have a varied form of presentation and in most cases must be distinguished from malignancy. The suspected diagnosis is due to urinary obstruction; nevertheless radiological evidence played a key role in the final diagnosis. The management is as less invasive as possible, with endoscopy resection or minimally invasive surgery.
    Cirugía pediátrica: organo oficial de la Sociedad Española de Cirugía Pediátrica 01/2011; 24(1):59-61.
  • Archivos españoles de urología 04/2010; 63(3):231-4.
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    ABSTRACT: Objetivos: Presentar el manejo terapéutico mínimamente invasivo de la obstrucción unilateral del tracto urinario superior producida por una válvula ureteral. Método: Descripción del caso clínico, la técnica endourológica utilizada y de los resultados a medio plazo, con apoyo de la literatura publicada al respecto. Resultados: Paciente de 12 años con clínica de dolor en flanco derecho. En la ecografía presentó ureterohidronefrosis derecha con parénquima conservado. La Uro-resonancia magnética reveló la presencia de un defecto de repleción en el tercio medio del uréter derecho y descartó una compresión extrínseca. En la ureterorrenoscopia se observó la válvula ureteral que fue resecada mediante laser holmium. La derivación ureteral se mantuvo 3 semanas. Tras 12 meses del tratamiento la paciente presentó ausencia de clínica y de ureterohidronefrosis derecha en ecografías de control. Conclusiones: El tratamiento endourológico mediante resección de la válvula ureteral obstructiva usando el laser Holmium Dormier es un método poco invasivo seguro y eficaz a corto-medio plazo.
    Archivos españoles de urología 04/2010; 63(3):231-234.
  • Actas urologicas españolas 03/2010; 34(3):299-301. · 1.14 Impact Factor
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    ABSTRACT: Urethral polyps are a rare pathology that is usually diagnosed in childhood hematuria and obstructive urinary symptoms are the most common findings and transurethral resection is the best choice of the treatment. We report three cases, a 6-years-old boy and 9-years-old boy diagnosed and treated of posterior urethral polyp after showing hematuria and obstructive urinary symptoms, and a 2-years-old girl that showed to prolapse of urethral polyp.
    Cirugía pediátrica: organo oficial de la Sociedad Española de Cirugía Pediátrica 01/2010; 23(1):7-9.
  • Archivos españoles de urología 01/2010; 63(1).
  • Actas urologicas españolas 01/2010; 34(3):299-301. · 1.14 Impact Factor
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    ABSTRACT: To know the results, complications and outcomes of eight patients with the diagnosis of neurogenic bladder (NB) who underwent vesicoureteral reflux surgery by subureteral injection of inert substances, trying to precise its indication in the therapeutic scheme for neurogenic bladder dysfunction. Retrospective review of the results and complications recorded during follow-up in eight pediatric patients with NB secondary to various pathologies and the diagnosis of VUR treated by subureteral injection of Teflon paste (1 case), polydimethylsiloxane (6) and dextranomer/hyaluronic acid copolymer (1). In 8 (72.7%) of the 11 ureters treated VUR was cured after first injection. VUR stopped after second endoscopic treatment in 2 of the 3 ureters with persistent VUR. The efficacy of endoscopic treatment after second injection achieved 90.9%. In 2 unilateral cases we observed contralateral VUR, which cured in one case after endoscopic treatment and the other one followed a conservative scheme. Over the follow-up period (Mean FU time 51.8 +/- 28.5 months) 4 cases presented complications. VUR recurred in two: in one contralateral VUR was detected 19 months after first treatment, the other one presented bilateral ureterohydronephrosis with recurrent urinary tract infections and required augmentation cystoplasty. Endoscopic treatment is an effective option when choosing surgical treatment for VUR in a patient with neurogenic bladder. It is necessary to follow the long-term outcome of patients after surgery, mainly those with abnormal bladder capacity and compliance and active or dyssynergic urethra due to the possibility of recurrence of the VUR.
    Archivos españoles de urología 04/2008; 61(2):278-83.
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    ABSTRACT: Objetivo: Conocer los resultados, complicaciones y la evolución de ocho pacientes diagnosticados de Vejiga neurógena (VN), intervenidos de Reflujo vesicoureteral (RVU) mediante la inyección subureteral de sustancias inertes, intentando precisar su indicación en el esquema terapéutico de la alteración vesical neurógena. Métodos: Revisión retrospectiva de los resultados obtenidos y de las complicaciones evidenciadas durante los controles evolutivos efectuados a ocho pacientes en edad pediátrica con VN secundaria a diferentes patologías, diagnosticados de RVU, tratado mediante inyección subureteral de pasta de teflón (1 caso), polidimetilsiloxano (6) y copolímero de dextranómero y ácido hialurónico (1). Resultados: De los 11 uréteres tratados en 8 (72.7%) el RVU curó después de la primera inyección. De los 3 uréteres con persistencia del RVU, en dos cesó después del segundo tratamiento endoscópico (TE). La eficacia del TE después de la segunda inyección alcanzó el 90.9%. En dos casos unilaterales evidenciamos RVU contralateral que curó mediante TE en uno siguiendo pauta conservadora el segundo. Durante el periodo de seguimiento (tiempo medio: 51.8 +/- 28.5 meses) presentaron complicaciones 4 casos. Reapareció el RVU en dos, observamos RVU contralateral en uno a los 19 meses del primer tratamiento y en otro evidenciamos ureterohidronefrosis bilateral con infecciones urinarias recurrentes que precisó de cistoplastia de aumento. Conclusiones: El TE es una opción eficaz cuando se decide el tratamiento quirúrgico del RVU en un paciente con vejiga neurógena. Es necesario seguir la evolución a largo plazo de los pacientes intervenidos, sobre todo aquellos con capacidad y acomodación vesical alterada y uretra activa o disinérgica, ante la posibilidad de aparición del RVU ya curado.
    Archivos españoles de urología 03/2008; 61(2):278-283.
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    ABSTRACT: Retrospective study of 124 patients (average age: 3.8 years) with midpenile hypospadias: 48.3% (60 children), distal penile: 45.9% (57) and coronal 5.6% (7), of which the 25.8% (16) presented ventral curvature and the 4.8% (6) resulting from the complication of another previous technique. All of them were operated according to Snodgrass' technique, removing the catheter between the 6th and 7th day in most of them. The global rate of complications was of 12%: 9 fistulae (7.2%) and 6 meatal stenosis (4.8%). Aesthetic result was satisfactory in all cases, getting glans covered by foreskin in 57.3%.
    Actas urologicas españolas 06/2007; 31(5):528-31. · 1.14 Impact Factor
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    ABSTRACT: We present 3 new cases of urethral parameatal cysts in paediatric age. Literature is reviewed and histological data and ambulatory management are discussed.
    Actas urologicas españolas 02/2007; 31(1):61-3. · 1.14 Impact Factor
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    ABSTRACT: Torsion of a cryptorchidid testicle presents a non-specific symptomatology. Clinical suspicion indicates surgical exploration, irrespective of Doppler ultrasound with its inherent false negative results. With regards to treatment, an orchiectomy is performed when the testis is necrotic. Management of the contralateral testis is controversial. Our policy is not to fix them systematically because we believe that a healthy education of parents and children is more important, so as to obtain an earlier diagnosis of a future torsion.
    Actas urologicas españolas 02/2007; 31(1):49-51. · 1.14 Impact Factor
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    ABSTRACT: [corrected] To review urethrorrhagia cases, the need of complementary test, its management and natural history. A retrospective analysis was carried out for the 12 patients who suffered from urethrorrhagia, consecutively diagnosed in our department. Parameters as age, and micturitional habit were evaluated. In this way, we described the diagnostic techniques used, assessment and the follow-up of each patient. All cases correspond to male children with an average age of 8.7 years (range: 18 months-14 years). Urethrorrhagia appears in 100% of the patients, episodes which were daily in 58.4%. 33% (4/12) of them also present other micturitional symptoms. 75% (9/12) had a lazy micturitional habit. Among the urological backgrounds we found: 1 patient was circumcised 3 years ago, a meatotomy was done in other due to meatus stenosis 2 years before, and a last one had an electrocoagulation of a urethral polyp just 1 month before. 83.4% (10/12) of urine cultures were negative. An urethrocystoscope was done in 9 patients finding a verum hypertrophy in 4, inflammatory changes next to membranous urethra in 3, scar at the bulbar urethra in 1 and in a last one no abnormalities were found. Out of 8 patients with lazy micturitional habit, 75% (6/8) resolve spontaneously once they correct their habits after a mean follow-up of 9 months. Only 2 patients needed surgery (TUR). In the other 2 patient, symptoms. Urethrorrhagia in childhood is a benign condition in most cases, which is almost always cured spontaneously during the first 2 years of follow-up. Radiological studies as well as endoscopic procedures are unnecessary in the early management of these patients thus being relegated to recurrent or persistent bleeding.
    Actas urologicas españolas 02/2007; 31(1):29-32. · 1.14 Impact Factor
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    ABSTRACT: Testicular microlithiasis (TM) represents an uncommon occurrence at paediatrics with a radiological incidence between 0.16 to 0.6% according to reports. The greater use of ultrasound as well as the availability of high-frequency probes has increased the number of incidental TM being diagnosed. From January 1998 to October 2002 seven children, aged 9 to 13 years (average 11 years and 1 months), were diagnosed of MT in our department. Sonographic appearance was hyperechogenic multiple small foci of 1-3 mm without acoustic shadowing of the testicular parenchyma. To evaluate sonographic patterns of TM, their associations, clinical consequences and to determine their management. All children were asymptomatic and the reasons for the ultrasound were: cryptorchism (3), short height (1), gynecomastia (1), varicocele (1) and scrotum trauma (1). It should be noted that 3 of the cases showed bilateral TM. Out of 10 testicles with TM, 8 met classic testicular microlithiasis (CTM) criteria (at least one image that showed five or more microliths in either or both testes) and 2 had limited testicular microlithiasis (LTM) (to have at least one microlith). Clinical and radiological follow-up is being performed annually, ranging from 18 months to 6 years, during which there hasn't been progression or regression in the number of TM or in their distribution. In none of these cases there has been shown a related testicular cancer. In other broad reviews it has been shown that there is no evidence to suggest that the TM have to be considered as premalignant lesions by themselves. However, the association among TM and cancer exists. Because of that, and due to the lack of consensus, we recommend annual clinical and radiological (ultrasound) follow-up until puberty, and thereafter the patient should be informed of unknown natural history of this condition. We do not recommend more invasive procedures such as biopsy except: 1) apart form the TM there is a change in the echogenicity or 2) if there is a change in the number or distribution of the TM.
    Actas urologicas españolas 02/2007; 31(1):33-7. · 1.14 Impact Factor
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    ABSTRACT: Retrospective study of 124 patients (average age: 3.8 years) with midpenile hypospadias: 48,3% (60 children), distal penile: 45,9% (57) and coronal 5,6% (7), of which the 25.8% (16) presented ventral curvature and the 4,8% (6) resulting from the complication of another previous technique. All of them were operated according to Snodgrass´ technique, removing the catheter between the 6th and 7th day in most of them. The global rate of complications was of 12%: 9 fistulae (7,2%) and 6 meatal stenosis (4,8%). Aesthetic result was satisfactory in all cases, getting glans covered by foreskin in 57,3%.
    Actas urologicas españolas 01/2007; 31(5). · 1.14 Impact Factor
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    ABSTRACT: ObjetiveTo review urethrorrhagia cases, the need of complementary test, its management and natural history.Material and methodA retrospective analysis was carried out for the 12 patients who suffered from urethrorrhagia, consecutively diagnosed in our department. Parameters as age, and micturitional habit were evaluated. In this way, we described the diagnostic techniques used, assessment and the follow-up of each patient.ResultsAll cases correspond to male children with an average age of 8.7 years (range: 18 months- 14 years). Urethrorrhagia appears in 100% of the patients, episodes which were daily in 58.4%. 33% (4/12) of them also present other micturitional symptoms. 75% (9/12) had a lazy micturitional habit. Among the urological backgrounds we found: 1 patient was circumcised 3 years ago, a meatotomy was done in other due to meatus stenosis 2 years before, and a last one had an electrocoagulation of a urethral polyp just 1 month before. 83.4% (10/12) of urine cultures were negative. An urethrocystoscope was done in 9 patients finding a verum hypertrophy in 4, inflammatory changes next to membranous urethra in 3, scar at the bulbar urethra in 1 and in a last one no abnormalities were found. Out of 8 patients with lazy micturitional habit, 75% (6/8) resolve spontaneously once they correct their habits after a mean follow-up of 9 months. Only 2 patients needed surgery (TUR). In the other 2 patient, symptoms.Conclusions Urethrorrhagia in childhood is a benign condition in most cases, which is almost always cured spontaneously during the first 2 years of follow-up. Radiological studies as well as endoscopic procedures are unnecessary in the early management of these patients thus being relegated to recurrent or persistent bleeding.
    Actas urologicas españolas 01/2007; 31(1). · 1.14 Impact Factor
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    ABSTRACT: IntroductionTesticular microlithiasis (TM) represents an uncommon occurrence at paediatrics with a radiological incidence between 0.16 to 0.6% according to reports. The greater use of ultrasound as well as the availability of high-frequency probes has increased the number of incidental TM being diagnosed.Material and Method From january 1998 to october 2002 seven children, aged 9 to 13 years (average 11 years and 1 months), were diagnosed of MT in our department. Sonographic appearance was hyperechogenic multiple small foci of 1-3mm without acoustic shadowing of the testicular parenchyma.AimTo evaluate sonographic patterns of TM, their associations, clinical consequences and to determine their management.ResultsAll children were asymptomatic and the reasons for the ultrasound were: cryptorchism (3), short height (1), gynecomastia (1), varicocele (1) and scrotum trauma (1). It should be noted that 3 of the cases showed bilateral TM. Out of 10 testicles with TM, 8 met classic testicular microlithiasis (CTM) criteria (at least one image that showed five or more microliths in either or both testes) and 2 had limited testicular microlithiasis (LTM) (to have at least one microlith). Clinical and radiological follow-up is being performed annually, ranging from 18 months to 6 years, during which there hasn’t been progression or regression in the number of TM or in their distribution. In none of these cases there has been shown a related testicular cancer.Conclusions In other broad reviews it has been shown that there is no evidence to suggest that the TM have to be considered as premalignant lesions by themselves. However, the association among TM and cancer exists. Because of that, and due to the lack of consensus, we recommend annual clinical and radiological (ultrasound) follow-up until puberty, and thereafter the patient should be informed of unknown natural history of this condition. We do not recommend more invasive procedures such as biopsy except: 1) apart form the TM there is a change in the echogenicity or 2) if there is a change in the number or distribution of the TM.
    Actas urologicas españolas 01/2007; 31(1). · 1.14 Impact Factor
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    ABSTRACT: Objective To value the efficacy in endoscopic treatment of the vesicoureteral reflux (VUR).Material and methodWe have realized a prospective study in patients with RVU treated with endoscopic polydimethylsiloxane, from January 1999 until December 2001, analyzing the results after an average pursuit of 30 months. We included 144 patients, 92 girls and 52 children, with 213 VUR (124 primary ones and 89 of secondary etiology). The initial efficacy of the treatment was defined as the finished absence of RVU in the isotopic cystography, realized three months after the puncture.ResultsThe global efficacy of the endoscopic treatment in secondary etiology reflux was lower than the reached one in the treatment of the primary RVU (77.7 % against 86.2 %) but the differences did not reach statistical significance (p=0,226). We do not also find significant differences on having compared the injected volume and the valuation of resolution of the ebb between the different causes of secondary RVU (p=0.361). We found recurrence in patients with RVU due to lower urinary tract dysfunction (4.34 %).Conclusions Endoscopic treatment of the secondary VUR is a minimally invasive skill, presents scarce morbidity and it is effective in chosen patients. The risk of a long term recurrence is grater in VUR secondary to functional alterations (neurogenic bladder and functional instability), for what, pursuit has to be established according to the base pathology.
    Actas urologicas españolas 08/2006; 30(7):692–697. · 1.14 Impact Factor
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    ABSTRACT: Since the beginning of the application of the RVU treatment, the use of the ultrasound was used taking into account two main indications/symptoms: a) identification of the complications; b) assessment of the result (visualization of the implanted material and the presence of the "uretheral jet" by means or through/of ecodoppler-color). To determine the value of the ultrasound in the assessment of the result of the endoscopic treatment of the RVU and in the detection of its complications. From 2001-2002 we have carried out the endoscopic treatment to an overall of 261 ureteral units of all degree and etiology. 246 were assessed post-operation with an ultrasound per month and all of them were evaluated with a cistography after 3 months. In a random sample of 92 units, the result of the isotopic cistography has been compared with the visualization of the implanted material in the bladder; and in a random sample of 56 units, the result of the isotopic cistography has been compared with the presence of ureteral jet in the study with ecodoppler-color after moisturizing of the patient. In order to do, we have done two corresponding comparative charts 2 x 2 and we have calculated the Sensibility and Specificity of the tests, as well as their predictive positive and negative values, the degree of similarity of both tests with the Kappa index, and the degree of statistical relevance with Chi squared. The ultrasound did not show significant changes if compared to previous studies in 213 units (86,58 %) although in 5 patients an ectasia has been identified as attributed to the treatment. 3 of this patients have developed renoureteral pain, and in 2 pain has spontaneously disappeared as shown in later tests. The S and the E of the presence of implanted material is 94% and 10%respectively and its VPP and VPN of 80% and 10% and estadistical. The S and E of the jet visualization is 82% and 30%, with a VPP of 84% and a VPN of 27%, a level of statistical relevance of 0.836 and a degree of correlation of 0.121. Ultrasound is not a useful technique in the assessment of the result of the endoscopic treatment of the RVU. The role it plays in the assessment of complications is a small one and its use is only indicated to confirm the suspicion of ectasia in those patients that present renoureteral pain.
    Actas urologicas españolas 05/2006; 30(4):402-5. · 1.14 Impact Factor
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    ABSTRACT: Nowadays, around 1% of children suffer from vesicoureteral reflux (VUR), which represents a risk factor for long-term kidney damage. In the last decade, development in this field has shown that subureteric endoscopic injection of bulking agents for childhood VUR is an acceptable alternative unlike long-term antibiotic prophylaxis and open surgery. To establish the complications of childhood VUR endoscopic treatment. A retrospective analysis was carried out for every patient treated endoscopically in our department from January 1999 to September 2003, with a total amount of 516 implants of submucous bulking agents. All patients were assessed with an ultrasound as a first diagnostic technique so as to establish the complications associated with it, especially ureteral obstruction and injected agent migration. Out of 516 cases, Macroplastique was used in 455, Deflux in 44 and Polytef in 17. 10 patients (1.9%) (5 girls/ 5 boys), with ages ranging from 15 months to 11,4 years, presented some kind of complications (Macroplastique was used in 8cases and Deflux in 2). Among them, 5 were remarkable due to an ureterohydronefrosis, 2 of which needed a nephrostomy. 3 patients presented an implant migration, 1 epididymitis and 1 bladder edema. Endoscopic bulking agent injection has become a safe alternative to open surgery in childhood VUR management.
    Actas urologicas españolas 03/2006; 30(2):170-4. · 1.14 Impact Factor