Page 98 - Prevention and Treatment of Incisional Hernia- New Techniques and Materials
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Chapter 5
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Table 2. continued
Bibliographic Study type SIGN Number citation assessment of
Patient characteristics Intervention Comparison Length of Outcome measure follow-up
General comments: Adequate designed study to compare number of patients. CT scan was used as “gold standard” for
ultrasound to CT scan diagnosis of incisional hernias. No comparison to physical examination. Limited the sensitivity analysis.
Schreinemacher retrospective High Quality 111
patients that have Ultrasound Physical median 35 Incisional hernia prevalence a closure of a of the examination months was 32.4% with ultrasound
et al. Arch Surg. 2011;146:94-9
cohort study with prospective examination
++
temporary stoma (42% ileostomies and 58% colostomies).
abdominal wall by surgeon
by surgeon
evaluation.
Physical examination had
a sensitivity of 58.3% and a speci city of 97.3%. The positive predictive value was 91.3% and the negative predictive value was 83%.
General comments: Both examinations were performed by
the same person. Ultrasound was used a “gold standard” for the sensitivity analysis.
patients
