Dataset Information

Adhesions After Open Versus Laparoscopic Resection of Colorectal Malignancies Detected During Liver Resection

ABSTRACT: Rationale: Adhesion formation is a frequent complication after abdominal surgery. Adhesion formation might be reduced by laparoscopic surgery, however sound evidence is lacking. Colorectal surgery would be a good clinical model to investigate adhesion formation between open and laparoscopic surgery because of the adhesion formation propensity of colorectal surgery. However, a randomized controlled study to provide direct evidence is unlikely because of large numbers of patients needed for such a trial and the difficulty to check for adhesion formation at second surgery. Therefore we investigate adhesion formation after laparoscopic and open colorectal surgery for malignancy at liver surgery for metastases. Objective: The aim of our study is to compare the incidence of adhesions after laparoscopic versus open surgery for colorectal malignancies during liver resection for colorectal metastases. Study design: The study is designed as a prospective observational cohort study. Study population: All consecutive, adult patients undergoing laparotomy or laparoscopy for intended liver resection or radio frequency ablation for liver metastases of a colorectal malignancy in whom inspection of the middle and lower abdomen is possible to map adhesions. Main study parameters/endpoints: * Primary endpoint is incidence of adhesions to the ventral abdominal wall around the site of the original incision. * Secondary endpoints are episodes of bowel obstruction between index surgery and liver surgery; total incidence of adhesions; extent of adhesions; Zühlke classification of adhesions; performance of adhesiolysis; duration of adhesiolysis; peroperative complications: enterotomy, seromuscular injury, inadvertent organ injury during adhesiolysis; postoperative complications: delayed diagnosed perforation, SAE’s. Nature and extent of the burden and risks associated with participation, benefit and group relatedness: This study is an observational study. The existence of adhesions will be assessed during laparotomy or laparoscopy for the treatment of liver metastases. The laparotomy is indicated for medical treatment and should not be enlarged solely for the assessment of adhesions nor will the operating time be influenced for this purpose. Adhesions and peroperative complications have to be scored by the operating surgeon during or directly after surgery. The postoperative complications have to be scored during the postoperative course by the doctors on the ward. These assessments do not interfere with the treatment of the patients.

DISEASE(S): Adhesions,Tissue Adhesions,Neoplasms

PROVIDER: 2134661 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Sacrocolpopexy has been dubbed the “gold standard” repair for apical pelvic organ prolapse (POP). This study sought to determine a genetic cause for sacrocolpopexy failure by comparing genotypes from 10 women who suffered from early POP reoccurance after sacrocolpopexy surgery, versus 40 randomly selected women with long term success after the same procedure. We objectively defined early overt failure after robotic-assisted laparoscopic sacrocolpopexy as having a pelvic organ prolapse quantification system examination (POP-Q) of stage III or IV occurring in more than one compartment within six months after surgery. All medical records identified during this process were then reviewed by a panel of urogynecology attendings and fellows to select patients who were truly clinical outliers. By this method we identified 10 patients (cases) who experienced early overt surgical failure. We also randomly selected 40 controls from our research database which includes greater than 500 patients who underwent robotic-assisted laparoscopic sacrocolpopexy during the same time period and had been objectively and subjectively assessed for ≥ 12 months with surgical success at ≥ 12 months that did not undergo prolapse re-operation or re-treatment. Demographics and peri-operative details were compared between cases and controls. Exclusion criteria for controls included use of other graft material besides polypropylene mesh, prior surgery for prolapse involving graft material, and conversion to laparotomy. DNA from the 10 cases and 40 controls was isolated from buccal swabs and genotyped on a single nucleotide polymorphism (SNP) array that contains 250,000 markers (NspI 250K SNP array, Affymetrix, Santa Clara, CA). All women in this study identified as Caucasian. All subjects provided written informed consent to study participation and data release. This was a case-control study approved by the Institutional Review Board at the Atlantic Health System in Morristown New Jersey (R11-10-004).

Project description:Sacrocolpopexy has been dubbed the âgold standardâ repair for apical pelvic organ prolapse (POP). This study sought to determine a genetic cause for sacrocolpopexy failure by comparing genotypes from 10 women who suffered from early POP reoccurance after sacrocolpopexy surgery, versus 40 randomly selected women with long term success after the same procedure. We objectively defined early overt failure after robotic-assisted laparoscopic sacrocolpopexy as having a pelvic organ prolapse quantification system examination (POP-Q) of stage III or IV occurring in more than one compartment within six months after surgery. All medical records identified during this process were then reviewed by a panel of urogynecology attendings and fellows to select patients who were truly clinical outliers. By this method we identified 10 patients (cases) who experienced early overt surgical failure. We also randomly selected 40 controls from our research database which includes greater than 500 patients who underwent robotic-assisted laparoscopic sacrocolpopexy during the same time period and had been objectively and subjectively assessed for â¥ 12 months with surgical success at â¥ 12 months that did not undergo prolapse re-operation or re-treatment. Demographics and peri-operative details were compared between cases and controls. Exclusion criteria for controls included use of other graft material besides polypropylene mesh, prior surgery for prolapse involving graft material, and conversion to laparotomy. DNA from the 10 cases and 40 controls was isolated from buccal swabs and genotyped on a single nucleotide polymorphism (SNP) array that contains 250,000 markers (NspI 250K SNP array, Affymetrix, Santa Clara, CA). All women in this study identified as Caucasian. All subjects provided written informed consent to study participation and data release. This was a case-control study approved by the Institutional Review Board at the Atlantic Health System in Morristown New Jersey (R11-10-004). This case-control study compared single genotypes of 10 cases to 40 controls. All subjects were identified as Caucasian. Cases were women who experienced early overt POP recurrence after robotic sacrocolpopexy, and controls were randomly selected women with long term success after the same procedure.

Dataset Information

Adhesions After Open Versus Laparoscopic Resection of Colorectal Malignancies Detected During Liver Resection

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