Abstract
To the Editor: A seven-month-old male infant who was diagnosed with inguinal hernia at routine medical checkup was admitted to our hospital for surgical repair. Past history and family history were negative for bleeding tendencies, purpura, and hemophilia. Preoperative physical examination and laboratory tests indicated no abnormalities. Coagulation tests were not performed. Hernioplasty was performed with no oozing or complications. The patient was discharged from the operating room at 4 p.m. At 7 a.m. on postoperative day (POD) 1, HR had increased to 132 bpm and BP decreased to 90/40 mmHg. The mother noticed blood contamination of the gauze covering the wound at night, but she did not inform the medical staff. At 9 a.m. on POD1, the attending surgeon noticed the patient to be extremely pale and that the gauze covering the wound was soaked with blood. Blood tests confirmed severe anemia (hemoglobin (Hb) 4.8 g/dl). Emergency hemostasis was performed immediately under general anesthesia. After failure to secure another peripheral venous access, we inserted a central venous catheter in the right internal jugular vein. Preparation of red cell concentrate (RCC) took a long time because blood type screening had not been conducted preoperatively. The coagulation tests showed long APTT (125 s), and thus fresh frozen plasma was transfused. Oozing was observed throughout the surgical field. The blood loss measured intraoperatively was 50 g and laboratory tests at the end of surgery showed Hb 8.9 g/dl, and Ht 26.4% after transfusion of two units of RCC. On POD2, the scrotum began to swell because of oozing which required removal of the stitches to reduce the pressure. On POD6, plasma clotting factor IX was reduced to 8% of the normal value, and he was diagnosed as hemophilia B. Therefore, clotting factor IX was transfused which resulted in complete cessation of oozing on POD11. The patient was discharged on POD26. Routine preoperative management does not include coagulation tests, especially before minor pediatric surgery, for example hernioplasty, for children with no family history of bleeding disorders. Routine use of coagulation tests have been discussed by otorhinolaryngologists who perform elective tonsillectomy and adenoidectomy. Houry et al. [1] and the American Academy of Otolaryngology Head Neck Surgery [2] recommended performing preoperative hemostatic screening tests only for patients with abnormal bleeding history. The reported negative predictive value of normal APTT in the absence of symptoms and M. Sumie (&) T. Yokoo-Matsuoka K. Yamaura Department of Anesthesiology and Critical Care Medicine, Kyushu University Hospital, Maidasi 3-1-1, Higasi-ku, Fukuoka 812-8582, Japan e-mail: sumimako@chorus.ocn.ne.jp
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