Journals / Turkish Journal of Urology / 2015 / Cilt: 41 - Sayı: 2

Transrektal single port laparoskopik radikal prostatektomi kadavra modeli

The transrectal single port laparoscopic radical prostatectomy in a cadaver model

Pages
78–82
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Anatomical observations during the present experimental study suggest that the transrectal NOTES route provides good exposure of the operative field and easy ac- cess to the posterior surface of prostate, Future experimental endeavors should focus on reproducibility of this approach and feasibility of lymph node dissection using trans-rectal route.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: To explore the feasibility of laparoscopic trans-rectal Natural Orifice Transluminal Endoscopic Surgery (NOTES) radical prostatectomy in a cadaveric model and to define anatomical landmarks of this surgical route.
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Key Findings & Data:With the cadaver in an exaggerated lithotomy position, a full thickness incision was made on the anterior wall of the rectum.
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Conclusion & Impact:Anatomical observations during the present experimental study suggest that the transrectal NOTES route provides good exposure of the operative field and easy ac- cess to the posterior surface of prostate, Future experimental endeavors should focus on reproducibility of this approach and feasibility of lymph node dissection using trans-rectal route.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: To explore the feasibility of laparoscopic trans-rectal Natural Orifice Transluminal Endoscopic Surgery (NOTES) radical prostatectomy in a cadaveric model and to define anatomical landmarks of this surgical route. Material and methods: After the ethical clearance, the study was conducted in Turkish Council of Forensic Medicine. With the cadaver in an exaggerated lithotomy position, a full thickness incision was made on the anterior wall of the rectum. The anteriorly visible Denonvilliers fascia was incised sharply, exposing the posterior surface of the prostate. A single-port device (GelPOINT®Path) was inserted trans-anally passing the incision on the anterior wall of the rectum, into the bluntly created space between rectum and prostate. Three, 10 mm ports were placed through the GelPOINT®Path, at 3, 6, and 9 o clock positions. A 5 mm, 0° degree lens was introduced at 6 o clock position; followed by laparoscopic scissors and laparoscopic grasper. Prostatic and periprostatic anatomy was defined as encountered during each step of the procedure. Results: Exposure of the posterior surface of the prostate and seminal vesicles was easily achieved. No additional openings of the rectal wall were made. Surgical specimen was extracted keeping its integrity. Conclusion: Transrectal radical prostatectomy is technically feasible in the cadaver model, being facilitated by previous experience with perineal surgery. Anatomical observations during the present experimental study suggest that the transrectal NOTES route provides good exposure of the operative field and easy ac- cess to the posterior surface of prostate, Future experimental endeavors should focus on reproducibility of this approach and feasibility of lymph node dissection using trans-rectal route.

Özet

Amaç: Laparoskopik transrektal NOTES (Natural Orifice Transluminal Endoscopic Surgery) radikal pros- tatektominin uygulanabilirliğini kadavra modelinde araştırmak ve bu yaklaşımdaki anatomik yapıları ta- nımlamak. Gereç ve yöntemler: Etik kurul onayının ardından, çalışma T.C. Adalet Bakanlığı Adli Tıp kurumunun ameliyat odasinda gerçekleştirildi. Abartılı litotomi pozisyonu verilmiş olan kadavrada rektumun anterior duvarı, mukozal yüzeyden derinlemesine tüm katlarını kesecek şekilde 3 cmlik cerrahi insizyon ile açıldı. Denonvillier fasyası kesildi ve prostatın posterior yüzüne ulaşıldı. Rektum ve prostat arasındaki alan künt disseksiyon ile genişletildi ve Single-port (GelPOINT®) trans-anal yolla bu alana yerleştirildi. Üç adet 10 mmlik port GelPOINT® üzerinde, saat 3, 6 ve 9 pozisyonlarında yerleştirildi. Önce 0° 5 mm optik saat 6 hizasındaki porttan ardından laparoskopik makas saat 3 hizasındaki ve laparoskopik grasper saat 9 hiza- sındaki portlardan ilerletildi. Prostatik ve periprostatik anatomik yapılar cerrahi prosedürün aşamaları ile birlikte kaydedildi. Bulgular: Prostatın posterior yüzüne ve seminal veziküllere kolayca ulaşılabildi. Rektum duvarında cerrahi insizyon haricinde herhangi bir açılma olmadı. Operasyon süresince ve operasyon sahasından çıkarırken cerrahi spesmenin bütünlüğü korunabildi. Sonuç: Transrektal radikal prostatektomi ameliyatı, kadavra modelinde teknik açıdan yapılabilir olarak gözlendi. Bu deneysel çalışmadaki anatomik gözlemler, transrektal NOTES yaklaşımının iyi bir ameliyat sahası sağladığını ve prostatın posterior yüzüne kolay ulaşıldığını destekler niteliktedir. Takip eden deney- sel çalışmaların tekniğin geliştirilmesi ve lenf nodu diseksiyonu üzerine yoğunlaşması gerekecektir.

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Cite This Article

AKÇA, O., ZARGAR, H., AUTORİNO, R., BRANDAO, L. F., GÜRLER, A. S., AVŞAR, A., HORUZ, R., ALBAYRAK, S. (2015). Transrektal single port laparoskopik radikal prostatektomi kadavra modeli. Turkish Journal of Urology, Cilt: 41 - Sayı: 2, 78–82. https://ajindex.com/articles/379939

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