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RISS 인기검색어
- 검색키워드
- 저자 : Ioannis Sokolakis (검색결과 3 건)
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Ioannis Sokolakis,Petra Schönbauer,Ioannis Mykoniatis,Hubert Kübler,Jürgen Gschwend,Sven Lahme,Georgios Hatzichristodoulou 대한남성과학회 2020 The World Journal of Men's Health Vol.38 No.4
Purpose: Congenital penile curvature (CPC) is a rare condition with surgical correction being the standard therapy. In the current study, we report long-term results analyzing the surgical and functional outcomes using a modified Nesbit technique. Materials and Methods: Patients with CPC were included. After penile degloving and mobilization of the neurovascular bundle an artificial erection was performed. An ellipsoid part of the tunica albuginea was excised at the point of maximum curvature on the convex side of deviation. The tunical defect was then closed by interrupted absorbable sutures with inverted knots. Results of correction were documented intra- and postoperatively by artificial erection. Pre- and postoperative evaluation included measurement of penile length and curvature after pharmacological erection. Erectile function, alteration in glans sensation, palpable suture as well as short- and long-term complication were also recorded using validated questionnaires and objective examinations. Results: Fifty-five patients with mean age 26.93 years (14–66 years) and mean curvature 69.81° (25°–90°) were included in the study. Ventral or ventrolateral curvature was observed in 83.6%. Mean operative time was 106.8 minutes (55–169 minutes). Totally straightness of the penis was achieved in 51/55 patients (92.8%). After a mean long-term follow-up of 36.68 months (4–87 months), erectile function worsened in 3.6% of patients. Median penile length loss associated with this technique was 1.7 cm (0–3.0 cm). Conclusions: Surgical therapy of CPC using our modified Nesbit technique is feasible, safe and provides reliable long-term outcomes, representing an alternative for surgical correction of CPC.
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Fotios Dimitriadis,Maria Papaioannou,Ioannis Sokolakis,Aikaterini Fragou,Dimitrios Hatzichristou,Apostolos Apostolidis 대한배뇨장애요실금학회 2021 International Neurourology Journal Vol.25 No.1
Purpose: Preclinical data increasingly support an impact of low-intensity extracorporeal shockwave therapy (Li-ESWT) on the bladder. We investigated the molecular effects of Li-ESWT on the bladder of a streptozotocin-induced diabetic rat model. Methods: Fifteen 8-week-old male Wistar rats were randomized into 3 groups: a control group (n=5), a group of diabetic rats without treatment (diabetes mellitus [DM], n=5) and a group of diabetic rats treated with Li-ESWT (DM-ESWT, n=5). A single intraperitoneal dose of streptozotocin (60 mg/kg) was used to induce diabetes. Twenty days after diabetes induction, each rat in the DM-ESWT group received 300 shockwaves with an energy flux density of 0.09 mJ/mm2. Sessions were repeated 3 times/week for 2 weeks, followed by a 2-week washout period. Total RNA from bladder tissue was extracted, cDNA was synthesized, and quantitative real-time polymerase chain reaction was performed to analyze the expression pattern of transient receptor potential vanilloid 1 (Trpv1), interleukin-1β (Il1b), and the muscarinic receptors M1, M2, and M3 (Chrm1, Chrm2, and Chrm3). Results: The expression of Trpv1, Il1b, and Chrm2 genes was significantly different between the 3 groups (P=0.002, P<0.0001, and P=0.011, respectively; 1-way analysis of variance). In the DM group, the expression of all genes was higher than in the control group, but statistical significance was observed only for Trpv1 and Il1b (P=0.002 and P<0.0001, respectively). Li-ESWT significantly reduced the expression of Il1b and Chrm2 (P=0.001 and P=0.011, respectively), whereas a nonsignificant tendency for reduced expression was noted for Trpv1 (P=0.069). Conclusions: The induction of diabetes was associated with increased expression of genes related to mechanosensation, inflammation/ ischemia, and contraction in the rat bladder. Li-ESWT reduced the expression of IL1b, Chrm2, and to a lesser extent Trpv1 toward the control levels, suggesting the therapeutic potential of this treatment modality for diabetic cystopathy.
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Defining Voiding Dysfunction in Women: Bladder Outflow Obstruction Versus Detrusor Underactivity
Konstantinos-Vaios Mytilekas,Athanasios Oeconomou,Ioannis Sokolakis,Marina Kalaitzi,George Mouzakitis,Evangelia Nakopoulou,Apostolos Apostolidis 대한배뇨장애요실금학회 2021 International Neurourology Journal Vol.25 No.3
Purpose: We aimed to develop urodynamic criteria to improve the accuracy of the diagnosis of bladder outlet obstruction (BOO) and detrusor underactivity (DU) in women with lower urinary tract symptoms (LUTS). Methods: Initially, in a group of 68 consecutive women with LUTS and increased postvoid residual (PVR) who had undergone urodynamic investigations, we examined the level of agreement between the operating physician’s diagnosis of BOO or DU and the diagnosis according to urodynamic nomograms/indices, including the Blaivas-Groutz (B-G) nomogram, urethral resistance factor (URA), bladder outlet obstruction index (BOOI), and bladder contractility index (BCI). Based on the initial results, we categorized 160 women into 4 groups using the B-G nomogram and URA (group 1, severe-moderate BOO; group 2, mild BOO and URA≥20; group 3, mild BOO and URA<20; group 4, nonobstructed) and compared the urodynamic parameters. Finally, we redefined women as obstructed (groups 1+2) and nonobstructed (groups 3+4) for subanalysis. Results: The agreement between the B-G nomogram and physician’s diagnosis was poor in the mild obstruction zone (κ=0.308, P=0.01). By adding URA (cutoff value=20), excellent agreement was reached (κ=0.856, P<0.001). Statistically significant differences were found among the 4 groups (analysis of variance) in maximum flow rate (Qmax) (P<0.0001), voided volume (VV) (P=0.042), PVR (P=0.032), BOOI (P<0.0001), and BCI (P<0.0001), with a positive linear trend for Qmax and VV and a negative linear trend for PVR and BOOI moving from groups 1 to 4. In the subanalysis, all parameters showed statistically significant differences between obstructed and nonobstructed women, except BCI (Qmax, P=0.0001; VV, P=0.0091; PVR, P=0.0005; BOOI, P=0.0001). Conclusions: The combination of the B-G nomogram with URA increased the accuracy of diagnosing BOO among women with LUTS. Based on this combination, most women in the mild obstruction zone of the B-G nomogram would be considered underactive rather than obstructed.
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