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Unlabelled: Gastroesophageal reflux (GER) is a common disease in children less one year old. It is present around 10% of unselected infant population. 40-50% have abnormal 24 h pH monitoring. An early diagnosis and treatment should be done in order to avoid complications., Aim: To establish the consensus for the diagnosis and treatment of children with GER, to rule out similar diseases avoid the use of unnecessary drugs and the secondary side effects as well as unnecessary surgery., Method: The consensus was done with the participation of general pediatricians, pediatrics gastroenterologist, pediatric surgeons, radiologist and endoscopist. An initial paper was done by pediatric surgeon and pediatric gastroenterologist who submitted to the rest of participants. Second stage: the paper was review through E-mail for all participants who send their suggestions and modifications. A new paper was done and discussed by medical and surgery area. During the Congress of Pediatric Surgery, in an open session was discuss again with the participation of the main authors and all the audience present. Finally, a paper was done and review for the main authors.

The aim of our study is to asses the risks and complications in bronchoscopies at Neonatal Intensive Care Units (NICU). Between 1991 and 1999, we performed 142 bronchoscopies at the NICU. The mean age was 1.6 +/- 1.4 months (2 days-6 months) and mean weight was 2.5 +/- 1 kg (530 g-4.7 kg). We analysed the complications, arterial oxygen saturation and inspired oxygen fraction (FiO2) during bronchoscopy and we compared them related to weight, type of anesthesia and type of bronchoscope used. Mean basal saturation was 92 +/- 8.9% and end saturation was 92.8 +/- 10%. The basal FiO2 was 0.5 +/- 0.3 (0.21-1). There were more complications in patients weighting less than 1500 g and in those procedures made with rigid bronchoscopy (p < 0.05). There were no differences according to the anesthesia. Children who weight fewer than 1500 g and those who underwent rigid bronchoscopy suffered a descent in arterial oxygen saturation and needed higher FiO2 (p < 0.05). Bronchoscopy is a very useful technique and it is well tolerated in neonatal patients. We conclude that flexible fiberoptic bronchoscopy is safer than the rigid bronchoscopy, specially in children fewer under 1500 g.

Purpose: The aim of this study was to evaluate the results obtained by 2 different techniques of tracheoplasty in the treatment of long-segment, funnel-shaped congenital tracheal stenosis (CTS) in 2 tertiary paediatric hospitals., Methods: The clinical records of patients with long segment congenital tracheal stenosis during the period January 1990 to June 1999 were reviewed retrospectively. Age, gender, symptoms, imaging (x-ray, computed tomography, magnetic resonance imaging, or bronchography), endoscopic findings, associated anomalies, treatment, intubation time, postoperative treatment, intensive care unit stay, complications, hospital stay, evolution, and follow-up time were analyzed. Short congenital tracheal stenosis treated by resection and end-to-end anastomosis are not included. Results are given as mean +/- SEM., Results: Ten (7 boys, 4 girls) of 14 patients with CTS had a funnel-shaped CTS. Mean age at treatment was 9.7 +/- 4.8 months (range, 3 days to 4.7 years). All of the patients presented with CTS affecting the distal third of the trachea and 4 of them extension to 1 main stem bronchus. They were treated by 2 different types of tracheoplasty: anterior costal cartilage graft (ACGT, 6 patients) and slide tracheoplasty (ST, 4 patients). All the patients treated by ACGT failed: 4 died and 2 required further surgery for restenosis. Causes of death were acute respiratory failure during surgery (2 cases) and anastomotic dehiscence (2 cases). The patients treated with ST are asymptomatic and doing well. Mean postoperative intubation time of the ACGT group was 35 +/- 25 days (10 to 60 days), whereas in the ST group it was 14 +/- 12 days (0 to 51 days). Mean hospital stays were 292 +/- 271 days (21 to 563 days) and 24 +/- 13 days (7 to 63 days), respectively. Mean follow-up time is 28 +/- 14 months (3 to 94 months)., Conclusions: Surgery of long-segment congenital tracheal stenosis has a high failure and complication rate with vital implications in prognosis. Treatment should be done in a multidisciplinary basis by a highly trained and motivated team. Slide tracheoplasty seems to be the better option, although further multicentre studies should be conducted.

A 1-year-old girl presented with fever, asthenia, and splenomegaly with hypersplenism. Abdominal ultrasound scan and magnetic resonance imaging showed multiple nodular cystic masses in an enlarged spleen. The histological examination of the resected spleen showed a novel type of vascular tumor called littoral cell angioma. The histopathologic and immunohistochemical features of this rare lesion are described. Distinction from other splenic vascular tumors is stressed because the clinical behavior of this new entity seems to be benign.

Introduction: The 30-40% of the oncologic patients have pulmonary metastases. Lung can be the only organ affected. In selected patients, exeresis of the pulmonary nodules can mean their healing., Material and Methods: Between 1982-1997, twenty two patients presented metastases, 13 could be operated and 16 thoracotomies were done. There were 53% boys and 47% girls whose ages ranged from 3 to 15 years. We have considered: pulmonary tumour location, disease free interval, number of metastases, surgical technique and incomplete pulmonary tumour resection., Results: Primary tumours were: Wilms tumours 23%, bone tumours 67% (Ewing and osteosarcoma). Disease free interval was < 2 years in 8 patients (61%) and > 2 years in 39%. X-Ray and CT were performed in every case and 66% presented a solitary nodule. Surgical techniques were: metastasectomy in two cases (12%), wedge resection in 8 (50%) and lobectomy in six cases (38%). We made thoracoscopy in two patients. There weren't postoperatory mortality but the patients with tumorectomy had an incomplete surgical resection. The overall survival is 54 percent and the 5 years survival is 23 percent (3 patients)., Conclusions: The patients with a DFI < 2 years have a survival of 25% compared with 100% for patients who have a DFI > 2 years. The pulmonary resection in selected patients can offer better survival. We can use the thoracoscopy in same selected patients.

Background: One of the reasons of failure to decannulate patients after airway surgery or long-term tracheostomy is suprastomal tracheomalacia., Objectives: Evaluate the results obtained in the treatment of suprastomal tracheomalacia by anterior cricoid suspension., Material and Methods: We present 8 patients with suprastomal tracheomalacia associated to long-term tracheostomy corrected by this technique. Prior to surgery, other causes of airway obstruction, as well as the presence of gastroesophageal reflux disease should be ruled out. Results 5 females and 3 males wer treated by this technique. Mean age at surgery was 4,1 +/-0,97 years (range, 1,5-8,8 years). anteroposterior suprastomal collapse occluding 75% of the trachea was observed in 5 cases, and 75-90% in other three. All the patients were extubated successfully, although in one case stridor recurred because of residual suprastomal malacia that required a new surgical procedure. After a follow-up of 38,7+/-7,39 months (range, 1 month-4,6 years), the patients are decannulated and going well. Conclusions It is an safe surgical technique, easily reproducible and with low costs.

Objective: Aortopexy is the more extended treatment for severe tracheomalacia, when it fails, reintervention and other procedures are necessary. We present our experience in the treatment of this pathology., Material and Methods: Tracheomalacia, bronchomalacia and tracheobroncomalacia cases during a twelve year period (1983-1995) were reviewed (type, age, symptoms, surgical procedures and results were collected)., Results: Nineteen patients (9 males, 10 females) presented tracheobronchomalacia in our Hospital. Diagnosis was made by bronchoscopy in all of them: nine cases of tracheomalacia, five bronchomalacias and five suprastomal malacias were found. Mean diagnosis age was twenty four months (newborn-twelve years). Ten patients were managed nonoperatively, five with anterior cricoideal suspension and two cases were treated by aortopexy; one of them, after 2 months of respiratory stridor and recurrent respiratory arrest, needed an endoscopically placed intraluminal expandable Palmaz Prothesis. This prothesis was removed two years later. In this moment, the patient is doing well without stridor or respiratory symptoms.

A 3-month-old boy was operated on for an inguinal tumor. Histological diagnosis was neuroblastoma. This is the second known case of primary paratesticular neuroblastoma reported in the literature. The treatment of choice for Evan's stage I is surgery.

Incidence of pediatric laryngeal stenosis has increased due to better Intensive Care Units. The medical records of the patients with laryngeal stenosis treated in the hospital between 1990 and 1995 were reviewed, analyzing the type of lesion, ethiologic factors, surgical technique employed and post-op result. The surgical technique was chosen conditioned by the age, weight of the patient, grade of the stenosis according to Cotton's classification and presence or absence of respiratory distress. 48 patients had laryngeal stenosis. 2 of them had acute glottic edema (4%) and 45 subglottic stenosis (96%), most of them after long term endotracheal intubation, 34 cases (75.5%). 19 of these occurred in the neonatal period. 7 cases (15.5%) were congenital stenosis (2 subglottic membranes, 1 subglottic cyst and 4 true congenital subglottic stenosis). 5 cases were a miscelanea. We found 13 grade I cases (29%), grade II 16 cases (35%) and grade III 12 (27%). No grade IV were seen. 8 patients (18%) had gastro-esophageal reflux, 5 of them required Nissen's funduplication before airway surgery. 12 patients followed medical treatment (27%), all of them grades I and II, with good results. Endoscopic treatment was done in 6 patients (13%), with good results in all but one that required a surgical approach. The anterior cricothiroid split was done in 7 patients (15%), all of them under 5 months of age. Good results were obtained in 71.4 percent of the patients. 9 cases (20%) underwent an anterior largingotracheoplasty with costal cartilage graft with good results in 88.9 percent of the patients. Anterior and posterior cartilage graft after double laringotracheoplasty was done to 8 patients (18%). One of them developed a subglottic sinequiae which was solved endoscopically, and another patient evolved to restenosis. 20 patients had a tracheostomy. All but four were decanulated in 11.7 +/- 12.3 (4-54) weeks. Mortality rate associated with the surgical technique has been zero, with excellent results in 82.5 percent of the series. The new surgical techniques developed in recent years for laringotracheal stenosis in childhood have made unnecessary the use of permanent tracheostomies in these children which have obvious inconvenient and potentially lethal complications.

In October 1987 we opened an Outpatient Surgical Unit, since January 1988 to December 1993 we have treated 8232 patients with an mean age (range of 2 weeks to 17 years). All the patients were given general anesthesia, loco-regional anesthetics or deep sedation. 33.5 percent of the total number of patients operated in our hospital were treated in this Unit, being 41.4 percent if related to programmed surgery. Only 2.5 percent of them were admitted in the inpatient area with no significant complications.

Pancreatic pseudocysts is a complication of acute posttraumatic pancreatitis. They usually cause recurrent abdominal pain, nausea, vomiting and elevation of serum amylase levels. A history of epigastric blunt trauma, the before mentioned clinical signs and echographic or scanning studies may lead to a certain diagnosis. Although most of them resolve spontaneously, some persist and active therapeutic measures are required. Surgical internal drainage has been the operative technique of choice in children. Nevertheless, treatment can be achieved by percutaneous aspiration or drainage of pancreatic recurrent collections. We present our experience in two children with posttraumatic pancreatic pseudocyst, treated successfully by means of a percutaneous transabdominal pig-tail catheter (Huisman catheter). The technique of catheter placement and clinical aspects are discussed.

Congenital tracheal stenosis is a rare condition with a high mortality. In a 12-year period, 5 cases (ages 5 days to 4 years) with this anomaly were treated. 4 were corrected, the operative repair consisted of segmental resection and anastomosis in one patient, and rib-cartilage tracheoplasty in the other three. The other patient died 12 days after bronchoscopy without attempt of surgical correction. Two patients died during or just after surgery, both of them presenting a similar clinical course consisting on severe air trapping, mechanical pulmonary hypertension and low cardiac output. Long-term follow-up of the survivors is satisfactory.

22 clinical files of patients treated in our institution since 1983 for structural lesion of the airway are reviewed. 3 cases presented congenital tracheal stenosis, 15 congenital or acquired subglottic stenosis, 1 severe tracheomalacia, 1 subglottic membrane, 1 congenital subglottic cyst and 1 subglottic granuloma. A conservative or surgical approach (endoscopic, anterior cricoid split, Fearon's laryngotracheoplasty, modified Rethi's procedure, Kimura's tracheoplasty and aortopex) was used. Good results were obtained in 55.5 percent of the conservative cases, 100 percent of the endoscopic procedures, 50 percent of the splits and 75 percent of the laryngotracheoplasties. The Kimura and aortopexy procedures gave also good results. 4 patients are waiting for surgery: 1 anterior laryngotracheoplasty for iatrogenic failure, 2 conservative cases for persistence of the symptoms and 1 congenitaltracheal stenosis. A case of difuse congenital tracheal stenosis died before surgery. There are no significant differences in the complication rates of the surgical and conservative groups, but mean hospital stay was shorter in the former (p < 0.05).

During an 9-month period (March to November 1992), six children underwent an intestinal anastomosis by means of a biofragmentable ring (BAR). Patients ages ranged from 5 to 16 years old. There were no mayor complications at surgery. The main technical problems was the difference of size between BAR and intestinal lumen. No patients in which BAR was used have presented fistulae, dehiscence or anastomotical stenosis.

We review our experience in tissue expansion in twenty-four pediatric patients. The most frequent indications for the use of tissue expanders included congenital nevi and burn scars, they were also used with success in alopecia, congenital abdominal wall defects, mammary hypoplasia and microtia. Tissue expanders were always placed subcutaneously. Both, surgery and body deformity during expansion, were well tolerated. We found complications in five cases, but only in one patient treatment was interrupted. Results were considered excellent in nineteen cases.

One case of congenital esophageal stenosis due to tracheobronchial remnants and associated with microphthalmos and corneosclera is reported. Diagnostic and therapeutic methods employed are discussed.

The original Duhamel procedure for the treatment of Hirschsprung's disease (HD) has undergone several important modifications over the years. The use of mechanical suture in recent years has added significant advantages to this surgical procedure. Sixteen patients with HD were operated on according to this surgical technique, from 1985 to 1990. We analyse clinical, radiological and surgical aspects. We concentrate on early and late postoperative complications and the results achieved after a maximum follow-up of 4.5 years.

The DUHAMEL operation is widely used for the treatment of HIRSCHSPRUNG disease. Recently, technical modifications using stapled instruments have been introduced. The results of 12 patients treated between 1985 and 1989, performing the DUHAMEL procedure are reviewed. We perform with mechanical sutures, both surgical stages, e.g. abdominal and perineal. The technique for the procedure is described. Since we introduce the technique, we have observed several advantages consisting in a shorter surgical time, earlier normal life pattern, less postoperative complications and better results in clinical evolution.

Twenty-seven cases of rhabdomyosarcoma in children between one month and 14 years of age are reported. The most frequent histologic type was the embryonal sarcoma and almost half of the cases were diagnosed in advanced clinical stages. Treatment consisted on the combination of surgery, radiotherapy and chemotherapy (vincristine, cyclophosphamide and actinomicin-D in non metastatic cases, plus adriamycin when metastases were present). The survival rate is 57.7% and the survival with no evidence of disease 53.8%, with observation periods from eight months to four years.

Distal hypospadias are the most frequent form of all. Many surgical procedures have been described. We present a series of 84 patients treated using a modification of the technique described in 1967 by Saint Aubert, known as preputioplasty. We described the technique employed. Our esthetics and functional results are excellent. There was a very low complication rate: 1.1 percent of fistulas and 2.3 percent of preputial dehiscence. In 4.7 percent of the patients there was a redundant prepuce. The final result is a non-circumcised appearance which is quite important in our sociocultural ambience.