Medial Border of Laparoscopic D3 Lymphadenectomy for Right Colon Cancer

Shanghai Minimally Invasive Surgery Center

Overview

This study investigats the gastrointestinal functional outcomes of laparoscopic D3 lymphadenectomy for right colon cancer with the medial border along the left side of superior mesenteric artery (SMA) versus the left side of superior mesenteric vein (SMV). This is a single center, prospective cohort study with a sample size of 264 patients. The primary endpoint is the incidence of diarrhea (evaluated using the Diarrhea Assessment Scale) one month after surgery.

Study Type

OBSERVATIONAL

Conditions

Colon Cancer

Interventions

medial border along the left side of SMAPROCEDURE

to place the medial border along the left side of SMA in laparoscopic D3 lymphadenectomy for right colon cancer

medial border along the left side of SMVPROCEDURE

to place the medial border along the left side of SMV in laparoscopic D3 lymphadenectomy for right colon cancer

Eligibility

Sex: ALLMin age: 18 YearsMax age: 75 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Age between 18 and 75 years * American Society of Anesthesiologists (ASA) score I to III * A biopsy proven histological diagnosis of colorectal carcinoma * tumor located at right half of colon * Undergoing laparoscopic right hemi-colectomy * preoperative staging cT2-4aN0M0 or cTanyN+M0 * willing to participate and informed consent signed Exclusion Criteria: * Pregnant or lactating women * Synchronous colorectal carcinoma * History of colorectal cancer or other malignant tumors * Clinical evidence of metastasis * Preoperative staging cT1N0 or cT4bNany * Emergency procedure

Outcomes

Primary Outcomes

incidence of diarrhea

Diarrhea Assessment Scale: stool score ≥ 5

Time frame: one month after surgery

Data from ClinicalTrials.gov

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