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Gastric Perforation in a 28-Month-Old Child: Complicated by Peritonitis Admitted to the Surgical Emergency Room after a Case

We report the case of a 28-month-old male child with no particular history who was admitted to the emergency room for severe abdominal pain associated with vomiting, asthenia and fever at 39.1˚C that had progressed for 4 days. He was conscious, polypneic at 32 cycles/min on admission. On palpa-tion the abdomen was distended, painful as a whole, more pronounced in the epigastrium. There was abdominal contracture, generalized defense, a cry with sudden decompression of the umbilicus. On abdominal auscultation, there was a disappearance of prehepatic dullness, a decrease in the dullness of the flanks and absence of hydro-aeric noises. On the digital rectal examination, Douglas’s cul de sac was bulging and sensitive. An unprepared X-ray of the abdomen revealed diffuse grayness, lateral gas crescent pneumoperitoneum under diaphragm. The preoperative resuscitation consisted of the placement of a nasogastric tube, a urinary catheter, a peripheral venous route and the fluid electrolyte rebalancing adapted according to the blood iono-gram, early antibiotic therapy with broad aero and anaerobic spectrum. Surgical management under general anesthesia found at laparotomy a perforation of the anterior surface of the duodenal bulb which we estimate to be 1 cm in diameter with fibrin deposits. The gesture was the toilet of the peritoneal cavity; suture of the bank and the operative consequences were simple.


Introduction
Spontaneous gastric perforation is a serious and rare condition in children, especially beyond the neonatal period [1]. It is a rare life-threatening entity in newborns, potentially difficult for treating physicians. The reported incidence is 1/5000 live births and spontaneous gastric perforation accounts for 7% of all gastrointestinal perforations in newborns [2]. Factors associated with spontaneous gastric perforation include prematurity, asphyxia, birth defects, stress at birth, vigorous respiratory resuscitation measures, increased intragastric pressure caused by distal obstruction, and anatomical abnormalities of the stomach [3] [4]. The mechanisms of occurrence are still poorly understood and remain a subject of controversy [5]. We present here the case of a gastric perforation in a 28 months old child complicated by acute generalized peritonitis.

Case Presentation
The 28-month-old male child, with no particular history, was admitted to the emergency room for severe abdominal pain associated with vomiting, asthenia and fever that had progressed for 4 days. These symptoms had previously led the parents to consult two private facilities where the child was said to have received a treatment that the parents could not remember. On admission the child was conscious, febrile at 39.1˚C, blood pressure 100/60mm Hg, heart rate 136 beats per minute, respiratory rate 32 cycles/min, oxygen saturation at 96% in ambient air and a blood sugar level of 1.06 g/L. The physical examination showed a child with an altered general condition, polypneic with a distended abdomen, painful in the epigastrium, tender as a whole with abdominal contracture and genera-

Discussion
Spontaneous gastric perforation is a rare condition in children, more observed in newborns than in children beyond the neonatal period [1]. In the latter, gastric perforation is often secondary and may follow trauma, the use of a gastrotoxic drug, gastritis or gastric ulceration [2]. Reports of gastric perforations in preschool children are rare. Moreover, most of the documented cases have been attributed to a causal event [6], e.g. trauma [5], peptic ulceration or drug administration [7]. In contrast, several cases of spontaneous gastric perforation in preschool children have recently been reported in Japan [8] [9]. A study by Fukata et al. reported that the causative factor of this disease in preschool children is similar to that of newborns because her patient had a muscle defect under the microscope, but no muscle abnormalities were detected in any of the other patients [10].
In children, gastric perforation is a rare complication of peptic ulcer disease compared to adults [11] [12]. In addition, its inaugural character here is extremely rare and its preferred site in children is located at the level of the duodenum [12] [13]. For the surgeon, the major challenge will always remain to determine the etiology of peritoneal syndrome because the surgical approach depends on it.
In children, other etiologies of gastric perforation have been reported in association with Rett syndrome and Burkitt lymphoma. Children with Rett syndrome often have swallowing abnormalities, gastric atony, and/or decreased gastric motility that may rarely contribute to gastric dilation and thinning of the stomach wall, which can compromise gastric blood flow and increase the risk of  [14]. Potential mediators of spontaneous gastric perforation in Burkitt's lymphoma are tumor necrosis, myeloid toxicity, immunosuppression and protein malnutrition [15]. In our case, we have not found any convincing causes.
If cases with obvious predisposing anatomical factors (such as obstruction of gastric outflow) or traumatic events are excluded, the etiology of NGP is still controversial, but prematurity, low birth weight (LBW), severe infections and hypoxia are considered to be contributing factors [16] [17]. As a result, in 2008, Lin and colleagues reported 15 cases and reviewed the literature, finding a higher incidence of NGP in LBW infants (52%) in particular, in extremely LBW infants, and suggested that premature infants are more likely to develop spontaneous gastric perforation due to the immaturity of gastric tissue [18]. Likewise, in the survey by Sato et al. [19], 11 of 42 newborns with gastric perforation were ELWB.
The perforation is often rounded in shape and localized on the posterior wall or the greater curvature of the stomach. In the present case, the clinical and radiological characteristics, as well as the location of the perforation in the stomach were generally identical to those often described in the literature [1].
On the X-ray of the abdomen without preparation, certain signs should also suggest a gastric perforation, it is a massive pneumoperitoneum, the absence of the hydroaeric level in the stomach and a weak intestinal pneumatization [20].
Gastric perforation is a serious condition, the prognosis of which has been improved in children thanks to advances in neonatal and pediatric resuscitation

Conclusion
In the emergency room or in private, any doctor must know how to evoke a surgical abdomen in front of a clinical picture of diffuse abdominal pain associated with diarrhea, vomiting or not with abnormal sensitivity in the child, perform an abdomino-pelvic ultrasound in the absence of an X-ray of the abdomen without preparation that may point to a perforation of a hollow organ. Intraoperative resuscitation lasting a few hours is the rule in most cases and early surgery improves the prognosis.