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Autonomic nerve preserving total mesorectal excision.
Klaas Havenga1, Warren E Enker
1Canisius Wilhelmina Hospital, Nijmegen, The Netherlands.
The Surgical Clinics of North America
|January 1, 2003
Summary
Rectal cancer surgery aims for cure and recurrence prevention. Autonomic nerve preservation (ANP) is crucial for maintaining sexual and urinary functions, though other factors also contribute to post-operative dysfunction.
Area of Science:
- Surgical Oncology
- Urology
- Gastroenterology
Background:
- Rectal cancer surgery prioritizes cure and preventing recurrence.
- Preservation of pelvic autonomic functions is a key consideration influencing surgical techniques.
- Evolution of surgical approaches includes Total Mesorectal Excision (TME) with Autonomic Nerve Preservation (ANP).
Purpose of the Study:
- To review the evolution of surgical techniques for rectal cancer.
- To discuss the importance of autonomic nerve preservation in maintaining pelvic functions.
- To explore the multifactorial causes of sexual and urinary dysfunction after rectal cancer treatment.
Main Methods:
- Historical review of surgical modifications for rectal cancer.
- Analysis of the impact of Total Mesorectal Excision (TME) and Autonomic Nerve Preservation (ANP).
- Discussion of pre-existing conditions and treatment modalities (chemotherapy, radiation) affecting outcomes.
Main Results:
- Surgical dissection has evolved to prioritize autonomic nerve preservation.
- Sexual and urinary function outcomes are influenced by numerous factors beyond nerve preservation.
- Radiation therapy can cause impotence through direct nerve damage or vasculogenic mechanisms.
Conclusions:
- Achieving cure and preventing recurrence remain primary surgical goals for rectal cancer.
- Autonomic nerve preservation is vital but not the sole determinant of functional outcomes.
- Multidisciplinary research is needed to fully understand and address post-treatment sexual and urinary dysfunction.