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  • The Internet Journal of Gastroenterology
  • Volume 2
  • Number 1

Original Article

Idiopathic Perforation Of The Colon In Neonates: A Clinical Review Of Seven Cases

H Öztürk, A Onen, S Otçu, A Dokucu, S Gedik

Keywords

idiopathic colon perforation, neonate

Citation

H Öztürk, A Onen, S Otçu, A Dokucu, S Gedik. Idiopathic Perforation Of The Colon In Neonates: A Clinical Review Of Seven Cases. The Internet Journal of Gastroenterology. 2002 Volume 2 Number 1.

Abstract

The aetiology of idiopathic colon perforation in neonates remains unclear. We reviewed seven patients with idiopathic colon perforation from January 1996 to October 2001. Clinical data included age, sex, weight, associated problems, perforation-operation interval, the location of colon perforation, treatment, morbidity, and mortality. All patients were boys. The median age was 34.8 days. Six of the newborn infants were full-term, while one was premature. The aetiology was established in none of the patients. The side of the perforation was transverse colon in three patients, left colonic flexure in two, and sigmoid colon in two patients. After resection of the perforation area, proximal colostomy was performed in four patients and sigmoid colostomy in three. Two patients died. Postoperative wound dehiscence developed in all five patients who survived. Ganglion cells were present in all colonic specimens.
In conclusions, many different factors may play a role in developing colon perforation in neonates. However, because of limited number in our series the relative significance of each factor is difficult to assess.

 

Introduction

Idiopathic colon perforation in neonates is extremely rare, and early diagnosis and prompt surgical treatment is life saving [1,2,3]. Such perforations have been explained on the basis of trauma or mechanical obstruction. Traumatic causes include trauma from rectal thermometer, barium enemas or other rectal instrumentation. Mechanical obstruction causes include blow out proximal to obstruction by colonic atresia, imperforate anus, meconium plug, small left colon syndrome, Hirschprung's disease or obstructive bands [4,5,6,7]. Colonic perforation of unknown causation also occurs in the newborn infant. We present our experience on seven cases of idiopathic colon perforation.

Patients and methods

We reviewed seven cases of idiopathic colon perforation retrospectively from January 1996 to October 2001. All infants whose perforations were due to necrotizing enterocolitis, appendicitis, Hirschsprun's disease, meconium ileus, intestinal atresia, or drug therapy were excluded from the series. None of the infants had associated anomalies. Clinical data included age, sex, weight, associated problems, perforation-operation interval, the location of colon perforation, treatment, maternal complication, fetal complication, usage of medication, morbidity, and mortality. The erect abdominal x-ray demonstrated a pneumoperitoneum and viscus organ perforation, and the surgery made the diagnosis of colon perforation in all cases.

Results

All 7 patients were boys. The median age was 34.8 days (range, 9 to 90 days). Three of newborn infants were transferred from our university hospital neonatal intensive care unit and four babies were transferred from another hospital. Table 1 outlines the main findings of all patients. Six of the newborn infants were full-term, while one was premature and had low birth weight. The aetiology was established in none of the newborn infants. Microorganism was not present in any of the faeces specimens. Additionally, in case 1 trauma was suspected due to anal thermometer usage.

Figure 1
Table 1. Main findings in seven patients with colon perforation

All of the patients received intravenous fluids, nasogastric decompression, and antibiotics preoperatively. There was fecal and purulent matter in all patients abdominal cavity. Specimen from abdominal purulent material was obtained for culture antibiogram; no microorganism was present in any of the specimens. Colostomy was performed in all patients. Before closure of the abdomen, irrigation of the abdominal cavity with normal saline solution was carried. The biopsy of the colon wall adjacent to the perforation was removed in all patients. The histopathological changes were non-specific; oedema, inflammation, haemorrhage and necrosis were present. Bacteria or microthrombi were not present in any of the biopsy specimens. All of the biopsy specimens of the colon wall adjacent to the perforation and distal were present ganglion cells in all patients.

Postoperatively, wound dehiscence developed in 5 patients (71%). Escherichia coli was detected in wound of only one patient with wound dehiscence. Patients with wound dehiscence underwent operation and improvement was observed. Colostomy closure was performed at postoperative 6 to 8 weeks. Two patients died due to sepsis at 2nd and 1st postoperative days respectively. The average duration between perforation and operation was 5 days for died patients, 3 days for patients alive, and 3.8 days for all patients.

Discussion

The etiology of the colon perforation in newborn infant has been still discussed. However, hypothesis of mechanical injury, the presence of muscular defects in the wall of the colon, infection to a Schwartzman phenomenon, necrosis and perforation by meconium plugs, and perforation of colon by necrotizing bacterial enterocolitis were reported as aetiology [8,9,10]. Touloukioan et al [10] suggested that anoxia or hypoxia can cause mucosal ischemia and subsequent necrotizing enterocolitis in piglets, and this etiology may certainly be related to hypoxic neonates. Weinberg et al [11] suggested that the etiology of colon perforation may be ischemic necrosis secondary to a very localized vascular accident in the wall of the affected bowel. In their series, 6 of the perforations were on the antimesenteric wall of the intestine, the terminal point of the vascular supply of the area, and they explained it by a vascular theory. The previously existing clinical and experimental experiences indicate that the ischaemic component plays an important part in the aetiology of this disease. Although, we observed sepsis in two patients, diarrhea in three, and history of rectal trauma in one patient, there was no certain evidence of those theories mentioned above regarding the etiological factors of colon perforations in our series. In addition, we found no ganglionic abnormality in any of 6 presenting cases. Zamir et al [12] recently presented a series that was similar to our findings. In a majority of their cases, the aetiology of the perforations was also unclear.

Idiopathic colon perforation in the newborn is often difficult to diagnose clinically. The clinical symptoms and signs in such cases include vomiting, sepsis, cyanosis, tachypnea, respiratory distress, and significant abdominal and scrotal distension; however, none of these is pathognomonic for idiopathic colon perforation. Radiographic evaluation may allow earlier diagnosis and prompt surgical treatment. In the presence of a massive pneumoperitoneum in a neonate, both gastric and colonic perforation should be considered [1,2,13]. The abdominal upright film will show the “saddle” or “football” sign due to massive pneumoperitoneum [14]. All of our infants' abdominal roentgenograms demonstrated a pneumoperitoneum and viscus organ perforation, and the surgery made the diagnosis of colon perforation in all cases. The average duration between perforation and operation was about 4 days.

There is no doubt that the treatment of idiopathic colon perforation is operative. a primary closure or a resection and anastomosis may be performed in hemodynamically stable patients with well-localised and single perforation. On the other hand, the exteriorisation of the perforated area of the colon may be safer in unstable patients associated with severe peritoneal contamination and ischemic bowel [13]. Four of patients in our series were unstable and had severe peritonitis. Therefore, we exteriorized the two ends of bowel. Wound dehiscence was developed in 5 patients postoperatively (71 %). Two patients died; one was premature and had low birth weight, while the other had sepsis. The average duration between perforation and operation was 5 days for those died patients.

Conclusions

In conclusions, many different factors such as trauma, ARDS, prematurity, sepsis, anaemia, and diarrhea may play a role in developing colon perforation in neonates. However, because of limited number in our series the relative significance of each factor is difficult to assess. Early recognition of perforation contributes to successful treatment in such cases. In addition, the exteriorisation of the colon may be safer for hemodynamically unstable cases, and patients with large perforations and severe peritonitis.

Correspondence to

Hayrettin ÖZTÜRK, MD Dicle University, Medical School, Department of Paediatric Surgery 21280 Diyarbakir, Turkey E-mail: ozturkhayrettin@hotmail.com Fax: + 90 412 2488520 (hospital)

References

1. Byström J, Dencker H, Hallgren T, Jaderling J. Idiopathic perforation of the colon in infancy. Acta Chir Scand 1968;134:314-315
2. Cacloppo PL, Gau FC. Idiopathic perforation of the colon in a newborn Am J Surg 1976; 132:392-393
3. Goodman P, Dominguez R. Idiopathic colonic perforation in the neonate. Pediatr Emerg Care 1991; 7:18-20
4. Cruze K, Synder WH Jr. Acute perforation of the alimentary tract in infancy and childhood. Ann Surg 1961; 154:93
5. Emery JL. Abnormalities in meconium of the fetus and newborn. Arch Dis Child 1957; 32:17
6. Nixon GW, Condon VB, Stewart DR. Intestinal perforation as a complication of the neonatal small left colon syndrome. Am J Roentgenol 1975;125:75
7. Santulli, TV. Perforation of rectum or colon in infancy due to enema. Pediatrics 1959; 23:972
8. Waldhausen JA, Herendeen T, King H. Necrotizing colitis of the newborn: common cause of perforation of the colon. Surgery 1963; 54:365
9. Hermann RE. Perfoartion of the colon from necrotizing colitis in the newborn: report of a survival and a new etiologic concept. Surgery 1965; 58:436
10. Touloukian RJ, Posch JN, Spencer R. The pathogenesis of ischemic gastroenterocolitis of the neonate: selective gut mucosal ischemia in asphyxiated neonatal piglets. J Pediatr Surg 1972; 7:194
11. Weinberg G, Kleinhaus S, Boley SJ. Idiopathic intestinal perforations in the newborn: an increasingly common entity. J Pediatr Surg 1989;24:1007-8
12. Zamir O, Goldberg M, Udassin R, Peleg O, Nissan S, Eyal F. Idiopathic gastrointestinal perforation in the neonate. J Pediatr Surg 1988;23:335-7
13. Benson CD, Adelman S. Neonatal colonic problems. In: Ravitch MM, Welch KJ, Benson CD, Aberdeen E, Randolph JG (eds) Yaer book Medical Publisher, Inc. Chicago, London. Third Ed. pp 1979; 1030-1058
14. Graivier L, Steinberg JB, Doerr JL. Spontaneous gastric perforation in the neonate: case report. Am Surg 1965; 32:275

Author Information

Hayrettin Öztürk, MD
Assistant Professor, Departments of Paediatric Surgery, Medical School, Dicle University

Abdurrahman Onen, MD
Assistant Professor, Departments of Paediatric Surgery, Medical School, Dicle University

Selçuk Otçu, MD
Assistant Professor, Departments of Paediatric Surgery, Medical School, Dicle University

Ali Ihsan Dokucu, MD
Assistant Professor, Departments of Paediatric Surgery, Medical School, Dicle University

Senol Gedik, MD
Resident, Departments of Paediatric Surgery, Medical School, Dicle University

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