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Biomedical subjects

C Tsugawa

Publications and source records attributed to C Tsugawa.

At least 55 records · Page 3Linked to original sources
PubMed1988

Congenital stenosis involving a long segment of the trachea: further experience in reconstructive surgery.

Since we introduced the surgical technique for the repair of congenital stenosis involving the entire trachea with a successfully treated patient in 1982, four more patients have undergone a tracheoplasty employing the same technique for congenital stenosis involving a long segment of trachea. This article describes the refinement of surgical technique, the management of patients during and after operation, and the long-term outcome.

Female↗
PubMed1988

Extensive aganglionosis: further experience with the colonic patch graft procedure and long-term results.

During the period from 1979 to 1986, seven patients have been treated for extensive aganglionosis involving the colon and distal ileum (5 to 40 cm) employing the colonic patch graft (CPG) procedure. This consists of (1) ileostomy; (2) creation of a longitudinal side-to-side ileocolostomy between normal ileum and aganglionic ascending colon, forming a CPG; and (3) the definitive pull-through procedure. In all patients, the initial course after ileostomy was complicated by severe diarrhea, which was significantly improved by creation of the CPG. At the definitive operation several months later, the mesocolon attached to the CPG was severed to mobilize the ileocolostomy segment to the distal pelvis. Four patients in this series have been followed for 5 to 8 years. No patient has developed enterocolitis requiring hospitalization. Body weight became normal for age in all patients within 4 years of the definitive operation.

Colon↗
PubMed1988

[Surgical managements of massive involvement of small bowel and of short gut syndrome].

Despite the recent advent of total parenteral nutrition (TPN), the long-term survival of the patients with short gut syndrome is not satisfactory with complications of catheter-related sepsis and cholestasis. The causes of short gut syndrome in pediatric surgery are multiple intestinal atresias, necrotizing enterocolitis (NEC), and midgut volvulus. For the multiple atresias, multiple anastomosis without resection has been successfully undertaken to avoid developing short gut syndrome for the last 17 years. For the massive involvement of the intestines due to NEC or volvulus, high jejunostomy and peritoneal drainage with TPN support have been tried for the last two patients and successfully weaned from the TPN within two months after closure of jejunostomy. However, in case 2 malabsorption has been persistent presumably due to a severe degree of mucosal damage occurring in the remaining intestines. Whether this eventually gets back to the normal or not is unknown. For the patients with short gut syndrome, small bowel reversal procedure was successfully done and now doing well 10 years after surgery. This paper reports details of these 3 cases.

Enterocolitis, Pseudomembranous↗
PubMed1987

A new approach for the salvage of unsuccessful esophageal atresia repair: a spiral myotomy and delayed definitive operation.

A staged approach consisting of (1) spiral myotomy (2 1/2 revolutions) to elongate the proximal esophagus with its distal end forming a cutaneous esophagostomy in the anterior chest, and (2) delayed reconstruction of the esophagus with an end-to-end anastomosis, has been successfully employed in a 1-year-old infant who had undergone an unsuccessful repair of tracheoesophageal atresia during the neonatal period.

Anastomosis, Surgical↗
PubMed1985

Reconstructive surgery for cloacal anomalies.

This paper describes a variety of surgical techniques which have been employed in three patients with cloacal anomalies, at the Kobe Children's Hospital during a period from 1977 to 1983. The patients presented with malformations in which the urethra, vagina and rectum converge at the high level of cloaca. Staged approach was mandatory in these patients. A loop colostomy with the distal loop of colon separated from the fecal stream and a decompressing vaginostomy are the initial procedures for this form of malformations. Vaginoplasty is required in some patients for pullthrough to the perineum. In those in whom the vagina and colon are separately pulled through, a posterior sagittal approach is convenient.

Anus, Imperforate↗
PubMed1984

Esophageal perforation in a neonate associated with gastroesophageal reflux.

This is the first report of a neonate with esophageal perforation in whom an association of gastroesophageal reflux (GER) was detected by esophagraphy and esophageal pH monitoring. The patient was successfully treated for both esophageal perforation of GER by thoracic drainage and fundoplication. In this patient, GER seemed a likely cause of esophageal perforation.

Esophageal Fistula↗
PubMed1982

Tracheoplasty for congenital stenosis of the entire trachea.

Congenital stenosis involving the entire length of the trachea has generally been regarded as a fatal disease. Tracheoplasty using costal cartilage grafts to enlarge the lumen was successfully employed in such a case, and the technique is described. A 12-mo-old female was referred with recurrent severe respiratory distress since birth. By tracheoscopy and bronchography, the entire trachea was seen to be stenotic. The left bronchus was of normal caliber by bronchogram and the left lung was over inflated, while the right lung was aplastic. Through a midsternal thoracotomy, the left bronchus was incised and cannulated for ventilation. Longitudinal incision of the entire length of the anterior wall of the trachea permitted the advance of a nasotracheal tube along the inner surface of the divided trachea to the carina. Two pieces of costal cartilage were used to fill the defect in the anterior wall of the trachea. The grafts were attached to the tracheal edges by interrupted 5-0 Dexon sutures. The endotracheal tube was successfully removed two months later. The subsequent course of the patient has been satisfactory.

Cartilage↗
PubMed1981

Traumatic hepatic artery/hepatic vein fistula.

Traumatic hepatic artery/hepatic vein fistula was experienced in a 3 year-old boy. This hepatic arteriovenous fistula was diagnosed by a selective angiography of the hepatic artery. To prevent heart failure and pulmonary embolism developing, hepatic artery ligation was carried out. The postoperative course was uneventful and the patient was discharged without any sequelae. This paper summarizes our experience of a case with traumatic hepatic arteriovenous fistula and the treatment of hepatic artery ligation is discussed.

Arteriovenous Fistula↗
PubMed1980

Percutaneous transhepatic cholangiodrainage after hepatic portoenterostomy for biliary atresia.

During the past 12 mo, percutaneous transhepatic cholangiodrainage (PTCD) was carried out in 9 infants (12 procedures) who had undergone hepatic portoenterostomy (8) and hepatic portocholecystostomy (1) for biliary atresia. Bile excretion following surgery was observed in all infants. In all patients, cholangiogram at the initiation of PTCD was successful in visualizing the intrahepatic biliary system. PTCD was achieved in 5 infants (9 procedures). In infants with cholangitis, cultures of the intrahepatic bile were positive for enteric flora. Direct administration of antibiotics via the PTCD catheter into the bile ducts was transiently effective in the management of cholangitis. In one patient, it was observed that continuous PTCD over three weeks was effective in reducing serum bilirubin by relief of cholestasis. This technique is useful for: (1) demonstration of the reconstructed biliary system, (2) collection of bile from the intrahepatic biliary system for biochemical and bacteriologic studies, (3) direct administration of antibiotics to the bile ducts for cholangitis and (4) decompression of the intrahepatic system and relief of biliary stasis.

Bile Ducts↗
PubMed1979

The surgical management of the unusual forms of biliary atresia.

Of 50 infants undergoing laparotomy for biliary atresia during the last 9 yr at the Kobe Children's Hospital, 9 had variant forms, including (A) a gallbladder with a demonstrable connection with the intrahepatic biliary system, (B) a gallbladder with a connection with the extrahepatic biliary system and duodenum, and (C) a grossly visible subhepatic cyst. Three patients with form A underwent cholecystoduodenostomy. All these patients died of cholangitis and hepatic failure within 2 mo after operation. Two patients with form B were successfully treated by hepatic portocholecystostomy without any episodes of cholangitis. Two of the patients with form C, occurring in 1970, underwent an anastomosis between the subhepatic cyst and the duodenum. There was no bile excretion in these patients. The other two patients were treated subsequently by hepatic portoenterostomy with complete excision of the subhepatic cyst and excellent bile excretion was obtained. Infants with forms A and C should be treated by hepatic portoenterostomy instead of a direct anastomosis between the dilated portion of the extrahepatic biliary system and the alimentary tract. For patients with form B, hepatic portocholecystostomy seems to be the most suitable procedure relative to the prevention of postoperative cholangitis, which is the most serious complications in infants obtaining successful bile excretion.

Bile Ducts↗
PubMed1979

Technical aspects of hepatic portal dissection in biliary atresia.

During the past 8 yr, 37 patients with a noncorrectable type of biliary atresia have undergone hepatic portoenterostomy or portocholecystostomy at the Kobe Children's Hospital. The hepatic portal dissections employed in this series were classified as "supraportal" (9 procedures), "portal" (25 procedures), and "infra-portal" (3 procedures) based on the level at which the fibrous mass at the porta hepatis was transsected as determined by the operative record and the pathologic findings. Successful biliary drainage was achieved in 19 out of 25 patients (76%) with a "portal" type of dissection, while 1 out of 9 with "supra-portal" and none out of 3 with "infra-portal" type dissections were successful in this respect. Of the 19 patients who achieved significant biliary flow, 8 have lived for 2--7 yr without jaundice and 3 others are jaundice-free for shorter intervals.

Bile↗