ABSTRACT
Objective - To verify the efficacy and safety of compressed air to produce pneumoperitoneum for laparoscopic surgery in pigs for a training program of residence. Methods - Dalland pigs weighing 15-17kg underwent general anethesia and mechanical ventilation. They were divided in 3 groups: A - (38) the pneumoperitnoneum was established with an automatic COZ insufflator, B - (7) as in A except the C02 gas was changed by compressed air, and C - (11) abdomen insufflation was obtained with compressed air directly from hospital pipe network system. Intra-abdominal pressure in all groups was kept between 12 and 15 mmHg. The laparoscopic procedures performed were distributed proportionally among groups: 20 bilateral nephrectomy, 20 dismembered pyeloplasty and 16 partial nephrectomy. Arterial blood sampling for gasometry was obtained before and 2h after establishment of pneumoperitoneum in 5 pigs of group C. Results - The cost of 25 4,5kg COZ container used in group A was R$ 3,150.00 (U$ 1,050.00). The mean length time of surgeries in groups A, B and C were respectively: 181±30rnin, 196±39min e 210±47min (p>0.05). Respiratory alkalosis occurred in 3 out of 5 pigs of group C. No animal exhibited signs of gas embolism or died during surgery. Conclusion - The use of compressed air for laparoscopy in pigs was safe, reduced costs and did not require the use of an automatic gas insufflator.
Subject(s)
Animals , Carbon Dioxide/administration & dosage , Insufflation/instrumentation , Laparoscopy , Models, Animal , Pneumoperitoneum/pathology , Internship and Residency , Nephrectomy , SwineABSTRACT
OBJECTIVE: To verify the efficacy and safety of compressed air to produce pneumoperitoneum for laparoscopic surgery in pigs for a training program of residence. METHODS: Dalland pigs weighing 15-17kg underwent general anethesia and mechanical ventilation. They were divided in 3 groups: A - (38) the pneumoperitnoneum was established with an automatic CO2 insufflator, B - (7) as in A except the CO2 gas was changed by compressed air, and C - (11) abdomen insufflation was obtained with compressed air directly from hospital pipe network system. Intra-abdominal pressure in all groups was kept between 12 and 15 mmHg. The laparoscopic procedures performed were distributed proportionally among groups: 20 bilateral nephrectomy, 20 dismembered pyeloplasty and 16 partial nephrectomy. Arterial blood sampling for gasometry was obtained before and 2h after establishment of pneumoperitoneum in 5 pigs of group C. RESULTS: The cost of 25 4,5kg CO2 container used in group A was R$ 3,150.00 (U$ 1,050.00). The mean length time of surgeries in groups A, B and C were respectively: 181±30min, 196±39min e 210±47min (p>0.05). Respiratory alkalosis occurred in 3 out of 5 pigs of group C. No animal exhibited signs of gas embolism or died during surgery. CONCLUSION: The use of compressed air for laparoscopy in pigs was safe, reduced costs and did not require the use of an automatic gas insufflator.
OBJETIVO: Testar a eficácia e segurança do pneumoperitônio com ar comprimido para cirurgias videolaparoscópicas em porcos em treinamento de residência médica. MÉTODOS: Porcos da raça Dalland de peso variável de 15 a 17kg foram submetidos a anestesia geral e respiração controlada. Eles foram divididos em 3 grupos: A - 38 animais com pneumoperitônio feito com insuflador automático de CO2 usando este gás; B - 7 animais sujeitos ao mesmo procedimento exceto que o CO2 foi substituído por ar comprimido; e, C - 11 animais em que o pneumoperitônio foi feito com ar comprimido diretamente da rede hospitalar. Nos 3 grupos a pressão intra-abdominal foi mantida entre 12 e 14mmHg. Os procedimentos realizados foram distribuídos proporcionalmente nos 3 grupos: nefrectomia bilateral - 20, pieloplastia desmembrada - 20 e nefrectomia parcial - 16. Antes e 2h após o pneumoperitônio foi colhido sangue arterial para gasometria em 5 porcos do grupo C. RESULTADOS: Foram consumidos 25 torpedos de 4,5kg de CO2 a um custo total de R$ 3.150,00 no grupo A. A duração média da cirurgia nos grupos A, B e C foram respectivamente: 181±30min, 196±39min e 210±47min (p>0.05). Alcalose respiratória foi observada em 3/5 porcos testados do grupo C. Nenhum animal apresentou sinais de embolia gasosa ou faleceu durante o procedimento. CONCLUSÃO: O uso de ar comprimido para laparoscopias em porcos mostrou-se método seguro com redução de custos e tornou desnecessário o uso de insuflador automático.
ABSTRACT
É descrito um caso de abcesso esplênico na infância , no Hospital Geral de Pediatria do IMIP. O paciente tinha 8 anos de idade e apresentava história de febre e dor abdominal há 8 dias. A ultrassonografia abdominal mostrou duas imagens hipoecóicas a nível de baço, sugestivas de abscesso esplênico. Concomitantemente é feito uma revisäo da literatura recente sobre essa patologia
Subject(s)
Child , Humans , Male , Abscess , Spleen/diagnosisABSTRACT
Entre 60 radiografias de tórax realizadas no ano de 1985 em criança, cujos laudos emitidos por dois radiologistas haviam sido normais em 30 delas e com discretas condensaçÖes perihilares nas outras 30, os mesmos radiologistas voltaram esse ano a emitir um novo laudo sobre as mesmas chapas, sem conhecimento do parecer anterior. Em 13,3% dos casos, houve mudança do laudo