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文献考察１）：腹腔内膿瘍の経皮的ドレナージ，成功率の高いのは術後膿瘍，非膵性，非真菌性膿瘍．
Arch Surg. 2002 Jul;137(7):845-9.
Determinants for successful percutaneous image-guided drainage of intra-abdominal abscess.
Cinat ME, Wilson SE, Din AM.
HYPOTHESIS: Characteristics of intra-abdominal abscess can be used to predict successful outcome for percutaneous catheter drainage (PCD). METHODS: We performed a multicenter prospective study of patients who had intra-abdominal infections treated with PCD and intravenous antibiotics. Multivariate regression analysis determined predictors of successful outcome. RESULTS: The study included 96 patients (59% men; mean +/- SD age, 48 +/- 17 years; mean +/- SD Acute Physiology and Chronic Health Evaluation II score, 7.4 +/- 4.9). Postoperative abscess was present in 53% of patients. Isolated microorganisms included Bacteroides species (17%), Escherichia coli (17%), Streptococcus species (14%), Enterococcus species (10%), and fungi (11%). Single abscesses were present in 83% of patients. Computed tomographic guidance was used for drainage in 80% of patients, and ultrasound was used in 20%. The duration of abscess drainage was less than 14 days in 64%. Complete resolution of the infection with a single treatment of PCD was achieved in 67 patients (70%), and with a second attempt in 12 (12%). Thirty-three patients (34%) had PCD for the resolution of intra-abdominal sepsis prior to an elective, definitive procedure. Open drainage as a result of PCD failure was required in 15 (16%) and was more likely in patients with yeast (P<.001 or a pancreatic process postoperative abscess was an independent predictor of successful outcome. conclusions: percutaneous catheter drainage intra-abdominal infections effective with single treatment in patients and increased to second attempt. outcome is most likely abscesses that are not infected yeast. now commonly used staging method for the resolution sepsis prior corrective operation.pmid:>
文献考察２）：needle aspiration と生食による洗浄だけで90％の成功率．
AJR Am J Roentgenol. 1998 May;170(5):1197-203.
One-step needle aspiration and lavage for the treatment of abdominal and pelvic abscesses.
Wroblicka JT, Kuligowska E.
OBJECTIVE: This retrospective study was undertaken to show the efficacy and safety of one-step needle aspiration and lavage for the treatment of nonenteric, nonpancreatic abdominal and pelvic abscesses. MATERIALS AND METHODS: Eighty-two nonconsecutive patients (age range, 4-81 years old) with 97 abdominal and pelvic abscesses were treated over 16 years with a one-step percutaneous needle aspiration and lavage technique. Abscesses were drained with sonographic or CT guidance in a single session. An 18-gauge needle was used for aspiration and repeated saline lavage; no drainage catheter was left in place. For collections that appeared multiloculated, needle repositioning and repeated aspiration and lavage were performed during the single session. All patients received i.v. antibiotics. RESULTS: Eighty-seven (90%) of 97 abscesses in 72 of 82 patients were successfully treated, including 17 (85%) of 20 abscesses that were multiloculated. The only two complications were transient sepsis in one patient and hemorrhage in one patient that resolved with transfusion and conservative treatment. Needle aspiration and lavage failures were associated with diffuse peritonitis, occult malignancy, unsuspected enteric communication, and a dropped surgical clip. CONCLUSION: Percutaneous needle aspiration and lavage can be a safe, effective alternative to the more conventional treatment of prolonged catheter drainage. In selected patients, including certain patients with multiloculated abscesses, one-step needle aspiration and lavage should be considered as the initial method of treatment.PMID: 9574584
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