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[Surgical decompression and postoperative local action on the small intestine in the combined treatment of intestinal obstruction and peritonitis].

The results of using the operative methods of decompression of the gastro-intestinal tract in 151 patients with longstanding ileus and peritonitis are discussed. Methods of continuous decompression giving local effect upon the intestinal wall in the postoperative period should be used in the critical patients. The results of studying certain biochemical aspects of lavage of the small intestine are described.

Adolescent↗

Electron microscopic studies on the small intestinal mucosa of rats after mechanical intestinal obstruction and ischemia.

Ultrastructural changes in the small intestine during the early phase following mechanical obstruction were compared with those after vascular ligation. In both experiments (the early phase of mechanical ileus and ischemia) intestinal epithelial cells at the tips of villi showed common features. One of the most significant changes was an alteration in microvilli, with fragmentation into vesicles, narrowing of apical microvilli and decrease in number. The other change was fatty degeneration of the epithelial cells, which was accompanied by vesiculation of smooth endoplasmic reticulum beneath the terminal webs, fat deposition and dilated Golgi complex containing fat. These observations suggest that in the early phase of mechanical ileus, ischemic damage plays an important role.

Animals↗

Intestinal obstruction due to diffuse peritoneal fibrosis at 2 years after the successful treatment of malignant peritoneal mesothelioma with intraperitoneal mitoxantrone.

A 44-year-old man who had achieved a complete remission of malignant peritoneal mesothelioma after the intraperitoneal administration of 25 mg/m2 mitoxantrone presented with clinical and radiological signs of intestinal obstruction suggestive of recurrent disease at about 2 years following the initial treatment. However, laparotomy revealed extensive adhesive fibrosis but no sign of malignant mesothelioma. The peritoneal complications of intraperitoneal cytostatic treatment are discussed.

Adult↗

Hyperbaric oxygenation therapy for simple adhesive postoperative intestinal obstruction in children: comparison of the use of a short tube versus a long tube.

We hypothesized that hyperbaric oxygenation (HBO) combined with a long tube (LT) [HBO + LT] would be more effective than HBO combined with a short tube (ST) [HBO + ST] for simple adhesive postoperative intestinal obstruction (APIO) in children, assuming that there is synergism between HBO and LT. The objective of this study was to determine retrospectively the effect of HBO + LT compared to HBO + ST for simple APIO in children. Seventy-three patients were diagnosed with simple APIO, and 51 of these patients were treated with HBO + LT during 104 HBO sessions, while 22 were treated with HBO + ST during 34 HBO sessions. HBO was performed at a pressure of 2 atmospheres for 60 minutes once daily. The recovery rates after HBO therapy were 87.5 % for the HBO + LT group and 82.4 % for the HBO + ST group (p = 0.4496). HBO was performed 5 +/- 3 (range 1 to 15) times for the HBO + LT group and 4 +/- 2 (range 1 to 8) times for the HBO + ST group (p = 0.9847) for ultimate recovery from simple APIO. The recovery rate after HBO therapy of up to 6 sessions was 78.2 % for HBO + LT and 92.1 % for HBO + ST (p = 0.0360) among the cases that recovered ultimately. The effect of HBO + LT did not significantly differ from that of HBO + ST, but the insertion of an LT is more intricate and the cost is higher than that of an ST. Therefore, we conclude that the use of an LT is not necessarily required for HBO therapy for simple APIO.

Child↗

[A case of urachal xanthogranuloma causing recurrent intestinal obstruction].

A 68-year-old male was admitted to our hospital with the chief complaints of lower abdominal pain and fever. There was a tender mass palpable in the lower abdomen. Plain abdominal X-ray film revealed multiple air-fluid levels with dilated small bowel loops, suggesting intestinal obstruction. Abdominal ultrasonography, computed tomography and magnetic resonance imaging revealed a solid mass extending from umbilicus to the bladder dome beneath the rectal muscle. There was normal mucosa of the bladder by cystoscopic examination. A urachal tumor was clinically suspected and en bloc removal of the mass, the remaining urachus, umbilicus, omentum and bladder dome was performed. The histological diagnosis was urachal xanthogranuloma. The patient has remained in good health without any recurrence for 6 months since the surgery. We discuss urachal xanthogranuloma in the literature.

Aged↗

Adenomyoma of the pylorus presenting as intestinal obstruction with pseudomyxoma peritonei--a case report.

Adenomyoma of the stomach is an exceedingly rare and benign tumour. We report here what we believe to be the first documented case in Singapore. Our patient is unique in three respects; an eight-week old infant presented with signs and symptoms of intestinal obstruction. Operative findings showed a small tumour in the pylorus of the stomach. The abdominal contents were covered with a colourless mucous slime, giving an appearance of pseudomyxoma peritonei. This is a feature which has not been hitherto reported. Microscopically, the lesion was consistent with adenomyoma of the pylorus. The interesting feature is an abundant production of mucin, with rupture and spillage of mucin in some of the glandular structures. We believe that this may account for the appearance of a pseudomyxoma peritonei seen in our patient.

Diagnosis, Differential↗

Brain-pituitary-adrenal interrelationship in closed loop intestinal obstruction in man. Effects of stepwise removal of brain, midbrain section and frontal leucotomy in dogs after the same type of stress.

Volvulus shows high plasma 17-OHCS level and after operation there is a progressive fall. Brain-pituitary-adrenal interrelationship has been studied in experimental dogs using a different type of stressor i.e. closed loop intestinal obstruction. Midbrain section blocks the adrenocortical response. Frontal leucotomy leads to increased response after acute distension of the closed loop. Acute hypothalamectomy does not lead to blocking of the adrenocortical response to stress.

Animals↗