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  1. Article: Ureteral stents in urolithiasis.

    Beysens, Matthias / Tailly, Thomas O

    Asian journal of urology

    2018  Volume 5, Issue 4, Page(s) 274–286

    Abstract: Ever since the ureteral stent design was fitted with a curl on both sides to prevent it from migrating up or down the ureter some 40 years ago, its use has gained tremendous momentum, aiding in the rise and evolution of endourology and has confidently ... ...

    Abstract Ever since the ureteral stent design was fitted with a curl on both sides to prevent it from migrating up or down the ureter some 40 years ago, its use has gained tremendous momentum, aiding in the rise and evolution of endourology and has confidently kept its place in modern time urology. Over the past four decades, several designs, coating and biomaterials have been developed, trying to reduce infection, encrustation and other stent related symptoms. As the ideal stent has not yet been discovered, different ways of helping patients with their complaints have been researched. This review will cover these aspects of stent use in urolithiasis.
    Language English
    Publishing date 2018-07-25
    Publishing country Singapore
    Document type Journal Article ; Review
    ZDB-ID 2831144-9
    ISSN 2214-3882
    ISSN 2214-3882
    DOI 10.1016/j.ajur.2018.07.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Reusable, Single-Use, or Both: A Cost Efficiency Analysis of Flexible Ureterorenoscopes After 983 Cases.

    Van Compernolle, Dries / Veys, Ralf / Elshout, Pieter Jan / Beysens, Matthias / Van Haute, Carl / De Groote, Laurent / Tailly, Thomas

    Journal of endourology

    2021  Volume 35, Issue 10, Page(s) 1454–1459

    Abstract: Objectives: ...

    Abstract Objectives:
    MeSH term(s) Equipment Design ; Equipment Reuse ; Humans ; Kidney Calculi ; Retrospective Studies ; Ureteroscopes ; Ureteroscopy
    Language English
    Publishing date 2021-05-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 356931-7
    ISSN 1557-900X ; 0892-7790
    ISSN (online) 1557-900X
    ISSN 0892-7790
    DOI 10.1089/end.2021.0006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Abiraterone and spironolactone in prostate cancer: a combination to avoid.

    Dhondt, Bert / Buelens, Sarah / Van Besien, Jeroen / Beysens, Matthias / De Bleser, Elise / Ost, Piet / Lumen, Nicolaas

    Acta clinica Belgica

    2018  Volume 74, Issue 6, Page(s) 439–444

    Abstract: Objectives: ...

    Abstract Objectives:
    MeSH term(s) Abiraterone Acetate/administration & dosage ; Abiraterone Acetate/adverse effects ; Aged, 80 and over ; Antineoplastic Agents/administration & dosage ; Antineoplastic Agents/adverse effects ; Bone Neoplasms/pathology ; Bone Neoplasms/secondary ; Contraindications, Drug ; Disease Progression ; Drug Interactions ; Drug-Related Side Effects and Adverse Reactions/diagnosis ; Drug-Related Side Effects and Adverse Reactions/metabolism ; Drug-Related Side Effects and Adverse Reactions/prevention & control ; Humans ; Male ; Mineralocorticoid Receptor Antagonists/administration & dosage ; Mineralocorticoid Receptor Antagonists/adverse effects ; Neoplasm Staging ; Prostatic Neoplasms, Castration-Resistant/drug therapy ; Prostatic Neoplasms, Castration-Resistant/metabolism ; Prostatic Neoplasms, Castration-Resistant/pathology ; Spironolactone/administration & dosage ; Spironolactone/adverse effects ; Treatment Outcome ; Withholding Treatment
    Chemical Substances Antineoplastic Agents ; Mineralocorticoid Receptor Antagonists ; Spironolactone (27O7W4T232) ; Abiraterone Acetate (EM5OCB9YJ6)
    Language English
    Publishing date 2018-11-26
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 390201-8
    ISSN 2295-3337 ; 0001-5512 ; 1784-3286
    ISSN (online) 2295-3337
    ISSN 0001-5512 ; 1784-3286
    DOI 10.1080/17843286.2018.1543827
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Perineal urethrostomy: surgical and functional evaluation of two techniques.

    Lumen, Nicolaas / Beysens, Matthias / Van Praet, Charles / Decaestecker, Karel / Spinoit, Anne-Francoise / Hoebeke, Piet / Oosterlinck, Willem

    BioMed research international

    2015  Volume 2015, Page(s) 365715

    Abstract: Introduction: PU is an option to manage complex and/or recurrent urethral strictures and is necessary after urethrectomy and/or penectomy. PU is generally assumed to be the last option before abandoning the urethral outlet.: Method: Between 2001 and ... ...

    Abstract Introduction: PU is an option to manage complex and/or recurrent urethral strictures and is necessary after urethrectomy and/or penectomy. PU is generally assumed to be the last option before abandoning the urethral outlet.
    Method: Between 2001 and 2013, 51 patients underwent PU. Mean age (± standard deviation) was 60 ± 15 years. Only 13 patients (25.5%) did not undergo previous urethral interventions. PU was performed according to the Johanson (n = 35) or Blandy (n = 16) technique and these 2 groups were compared for surgical failure, maximum urinary flow (Qmax), urinary symptoms, and quality of life (according to the International Prostate Symptom Score).
    Results: Both groups were similar for patient's and stricture characteristics. Only follow-up duration was significantly longer after Johanson PU (47.9 months versus 11.1 months; P = 0.003). For the entire cohort, 11 patients (21.6%) were considered a failure (9 or 25.7% for Johanson group and 2 or 12.5% for Blandy group; P = 0.248). There was a significant improvement of Qmax in both groups. Quality of life after PU was comparable in both groups.
    Conclusions: PU is associated with a 21.6% recurrence rate and the patient should be informed about this risk.
    MeSH term(s) Humans ; Middle Aged ; Ostomy/methods ; Quality of Life ; Recurrence ; Urethra/surgery ; Urethral Stricture/surgery
    Language English
    Publishing date 2015
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2698540-8
    ISSN 2314-6141 ; 2314-6133
    ISSN (online) 2314-6141
    ISSN 2314-6133
    DOI 10.1155/2015/365715
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Anastomotic Repair versus Free Graft Urethroplasty for Bulbar Strictures: A Focus on the Impact on Sexual Function.

    Beysens, Matthias / Palminteri, Enzo / Oosterlinck, Willem / Spinoit, Anne-Françoise / Hoebeke, Piet / François, Philippe / Decaestecker, Karel / Lumen, Nicolaas

    Advances in urology

    2015  Volume 2015, Page(s) 912438

    Abstract: Objectives. To evaluate alterations in sexual function and genital sensitivity after anastomotic repair (AR) and free graft urethroplasty (FGU) for bulbar urethral strictures. Methods. Patients treated with AR (n = 31) or FGU (n = 16) were prospectively ... ...

    Abstract Objectives. To evaluate alterations in sexual function and genital sensitivity after anastomotic repair (AR) and free graft urethroplasty (FGU) for bulbar urethral strictures. Methods. Patients treated with AR (n = 31) or FGU (n = 16) were prospectively evaluated before, 6 weeks and 6 months after urethroplasty. Evaluation included International Prostate Symptom Score (IPSS), 5-Item International Index of Erectile Function (IIEF-5), Ejaculation/Orgasm Score (EOS), and 3 questions on genital sensitivity. Results. At 6 weeks, there was a significant decline of IIEF-5 for AR (-4.8; p = 0.005), whereas there was no significant change for FGU (+0.9; p = 0.115). After 6 months, differences with baseline were not significant overall and among subgroups. At 6 weeks, there was a significant decline in EOS for AR (-1.4; p = 0.022). In the FGU group there was no significant change (+0.6; p = 0.12). Overall and among subgroups, EOS normalized at 6 months. After 6 weeks and 6 months, respectively, 62.2 and 52% of patients reported alterations in penile sensitivity with no significant differences among subgroups. Conclusions. AR is associated with a transient decline in erectile and ejaculatory function. This was not observed with FGU. Bulbar AR and FGU are likely to alter genital sensitivity.
    Language English
    Publishing date 2015-10-01
    Publishing country Egypt
    Document type Journal Article
    ZDB-ID 2397564-7
    ISSN 1687-6377 ; 1687-6369
    ISSN (online) 1687-6377
    ISSN 1687-6369
    DOI 10.1155/2015/912438
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Robot-assisted Kidney Autotransplantation: A Minimally Invasive Way to Salvage Kidneys.

    Decaestecker, Karel / Van Parys, Benjamin / Van Besien, Jeroen / Doumerc, Nicolas / Desender, Liesbeth / Randon, Caren / De Ryck, Frederic / Tailly, Thomas / Beysens, Matthias / Van Haute, Carl / Ponette, Diederik / De Man, Kathia / Hoebeke, Piet / Vermassen, Frank

    European urology focus

    2018  Volume 4, Issue 2, Page(s) 198–205

    Abstract: Background: Kidney autotransplantation (KAT) is the ultimate way to salvage kidneys with complex renovascular, ureteral, or malignant pathologies that are not amenable to in situ reconstruction. A minimally invasive approach could broaden its adoption.!# ...

    Abstract Background: Kidney autotransplantation (KAT) is the ultimate way to salvage kidneys with complex renovascular, ureteral, or malignant pathologies that are not amenable to in situ reconstruction. A minimally invasive approach could broaden its adoption.
    Objective: To describe operative technique, perioperative complications, and early functional outcomes of robot-assisted kidney autotransplantation (RAKAT).
    Design, setting, and participants: Retrospective review of prospectively collected data regarding consecutive patients undergoing RAKAT between March 2017 and February 2018 at two university hospitals.
    Intervention: RAKAT.
    Outcome measurements and statistical analysis: Technical feasibility, perioperative complications, and early functional results.
    Results and limitations: Seven patients underwent RAKAT (three male and four female; five left and two right; one totally intracorporeal) for complex ureteral strictures (n=5), severe left renal vein nutcracker (n=1), and loin pain hematuria syndrome (n=1). Two patients underwent bench vascular reconstruction and one patient underwent ex vivo flexible ureterorenoscopy. No patient needed open conversion. Median operative and console time was 370 and 255min, respectively, with median vascular and ureteral anastomosis time of 28 and 23min, respectively. Median warm, cold, and rewarming ischemia time was 2, 178, and 44min, respectively. One major postoperative complication occurred-wound dehiscence needing wound revision (grade 3b). Median hospital stay was 5 d. At 3 mo, all patients were free of indwelling stents, pain, or hematuria. Median serum creatinine at 3 mo was 0.80mg/dl and median calculated autotransplant glomerular filtration rate did not drop significantly.
    Conclusions: RAKAT is feasible, safe, and results in good functioning of the autotransplant in selected patients with complex ureteral strictures, loin pain hematuria, or severe nutcracker syndrome. Larger studies with longer follow-up are needed to confirm these findings and to test whether RAKAT is feasible for other KAT indications.
    Patient summary: We describe the first series worldwide of a minimally invasive technique for kidney autotransplantation. Robot-assisted kidney autotransplantation is a safe and feasible approach to prevent nephrectomy for intractable symptoms in selected patients with complex ureteral or renal pathology.
    MeSH term(s) Adult ; Anastomosis, Surgical/methods ; Cold Ischemia ; Female ; Flank Pain/complications ; Flank Pain/surgery ; Hematuria/complications ; Hematuria/surgery ; Humans ; Kidney/pathology ; Kidney/surgery ; Kidney Transplantation/trends ; Length of Stay/statistics & numerical data ; Male ; Middle Aged ; Perioperative Period/adverse effects ; Postoperative Complications ; Prospective Studies ; Renal Nutcracker Syndrome/complications ; Renal Nutcracker Syndrome/surgery ; Retrospective Studies ; Robotics/methods ; Salvage Therapy/methods ; Transplantation, Autologous/methods ; Ureteral Obstruction/complications ; Ureteral Obstruction/surgery ; Ureteroscopy/methods
    Language English
    Publishing date 2018-08-06
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2405-4569
    ISSN (online) 2405-4569
    DOI 10.1016/j.euf.2018.07.019
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Erectile implants in female-to-male transsexuals: our experience in 129 patients.

    Hoebeke, Piet B / Decaestecker, Karel / Beysens, Matthias / Opdenakker, Yasmin / Lumen, Nicolaas / Monstrey, Stan M

    European urology

    2010  Volume 57, Issue 2, Page(s) 334–340

    Abstract: Background: The combination of a neourethra and erection prosthesis in a single neophallus in the female-to-male transsexual remains a challenge. No good data are available on this subject.: Objective: To report the outcome in 129 female-to-male ... ...

    Abstract Background: The combination of a neourethra and erection prosthesis in a single neophallus in the female-to-male transsexual remains a challenge. No good data are available on this subject.
    Objective: To report the outcome in 129 female-to-male transsexuals with a neophallus after the implantation of an erectile prosthesis.
    Design, setting, and participants: From March 1996 until October 2007, 129 female-to-male transsexuals with a neophallus underwent the implantation of an erectile prosthesis. The mean follow-up was 30.2 mo (range: 0-132 mo).
    Intervention: A Dynaflex prosthesis was implanted initially in 9 patients, a three-piece hydraulic device (AMS CX or AMS CXM) in 50 patients, and a CX Inhibizone, Ambicor, and Coloplast/Mentor prosthesis in 17, 47, and 6 patients, respectively.
    Measurements: Data on outcome in these patients were retrospectively evaluated.
    Results and limitations: Of 129 patients, 76 patients (58.9%) still have their original implant in place. Fifty-three patients (41.1%) needed to undergo either removal or revision of the prosthesis due to infection, erosion, dysfunction, or leak. Forty-one patients underwent a replacement of the prosthesis, nine needed a second revision, five needed a third revision, and one patient needed a fourth revision of prosthesis. Malposition of prosthesis was corrected by surgical repositioning so that removal or revision could be avoided. Of 185 prostheses used in 129 patients, 108 (58.4%) still remain in place, with a total infection rate of 11.9%, a total protrusion rate of 8.1%, a total prosthesis leak rate of 9.2%, a total dysfunction rate of 13%, and a total malposition rate of 14.6%. The period of follow-up in the more recent types of prostheses (Ambicor, Coloplast/Mentor) is much shorter; therefore, comparison with earlier types is difficult to make.
    Conclusions: Despite high complication rates, implantation of a hydraulic erectile prosthesis remains the best option for achieving the possibility of sexual intercourse in female-to-male transsexuals.
    MeSH term(s) Adolescent ; Adult ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Penile Erection ; Penile Prosthesis ; Prosthesis Design ; Retrospective Studies ; Transsexualism/surgery ; Young Adult
    Language English
    Publishing date 2010-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 193790-x
    ISSN 1873-7560 ; 1421-993X ; 0302-2838
    ISSN (online) 1873-7560 ; 1421-993X
    ISSN 0302-2838
    DOI 10.1016/j.eururo.2009.03.013
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Perineal Urethrostomy

    Nicolaas Lumen / Matthias Beysens / Charles Van Praet / Karel Decaestecker / Anne-Francoise Spinoit / Piet Hoebeke / Willem Oosterlinck

    BioMed Research International, Vol

    Surgical and Functional Evaluation of Two Techniques

    2015  Volume 2015

    Abstract: Introduction. PU is an option to manage complex and/or recurrent urethral strictures and is necessary after urethrectomy and/or penectomy. PU is generally assumed to be the last option before abandoning the urethral outlet. Methods. Between 2001 and 2013, ...

    Abstract Introduction. PU is an option to manage complex and/or recurrent urethral strictures and is necessary after urethrectomy and/or penectomy. PU is generally assumed to be the last option before abandoning the urethral outlet. Methods. Between 2001 and 2013, 51 patients underwent PU. Mean age (± standard deviation) was 60±15 years. Only 13 patients (25.5%) did not undergo previous urethral interventions. PU was performed according to the Johanson (n=35) or Blandy (n=16) technique and these 2 groups were compared for surgical failure, maximum urinary flow (Qmax), urinary symptoms, and quality of life (according to the International Prostate Symptom Score). Results. Both groups were similar for patient’s and stricture characteristics. Only follow-up duration was significantly longer after Johanson PU (47.9 months versus 11.1 months; P=0.003). For the entire cohort, 11 patients (21.6%) were considered a failure (9 or 25.7% for Johanson group and 2 or 12.5% for Blandy group; P=0.248). There was a significant improvement of Qmax in both groups. Quality of life after PU was comparable in both groups. Conclusions. PU is associated with a 21.6% recurrence rate and the patient should be informed about this risk.
    Keywords Medicine ; R
    Subject code 616
    Language English
    Publishing date 2015-01-01T00:00:00Z
    Publisher Hindawi Limited
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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