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| 1 | Oxygen insufflation via working channel in a fiberscope is a useful method: A case report and review of literature显示文摘BACKGROUND Fiberoptic bronchoscopic intubation is the gold standard for endotracheal intubation in difficult or compromised airway situations. However, oxygen insufflation through the working channel of a fiberscope is a controversial method because of the possibility of gastric distention and rupture during an awake fiberoptic bronchoscopic intubation, despite the advantages of preventing fogging of the fiberoptic bronchoscopic lens, blowing oral secretions away, and oxygenation of patients.CASE SUMMARY Here, we describe a case of cervical instability where we rapidly performed fiberoptic bronchoscopic intubation using oxygen insufflation through working channel of the broncoscopy to administer general anesthesia after two previous failures due to low visibility. A 50-year-old man with a non-specific medical history underwent emergency cervical spine surgery for posterior fusion of the C2 and C3 vertebrae. After two unsuccessful attempts at intubation using the fiberoptic broncoscopy, we performed it successfully using the oxygen insufflation via the working channel, instead of using suction to remove the secretion from the lens.CONCLUSION Oxygen insufflation via the working channel of thebroncoscopy is a useful method for assisting with difficult intubation cases. | Dowon Lee Jiseok Baik Giyoung Yun Eunsoo Kim | 2018 | World Journal of Clinical Cases2018，6，16： | 1 |
| 2 | Ecotope mapping for landscape ecological assessment of habitat and ecosystem显示文摘 | Sun-Kee HONG Sungwoo KIM Ki-Hwan CHO Jae-Eun KIM Sinkyu KANG Dowon LEE | 2004 | Ecological Research2004，，1： | 1 |
| 3 | Paradoxical carbon dioxide embolism during laparoscopic hepatectomy without intracardiac shunt:A case report显示文摘BACKGROUND Laparoscopic hepatectomy has recently become popular because it results in less bleeding than open hepatectomy.However,CO_(2)embolism occurs more frequently.Most CO_(2)embolisms during laparoscopic surgery are self-resolving and non-symptomatic;however,severe CO_(2)embolism may cause hypotension,cyanosis,arrhythmia,and cardiovascular collapse.In particular,paradoxical CO_(2)embolisms are highly likely to cause neurological deficits.We report a case of paradoxical CO_(2)embolism found on transesophageal echocardiography(TEE)during laparoscopic hepatectomy,although the patient had no intracardiac shunt.CASE SUMMARY A 71-year-old man was admitted for laparoscopic left hemihepatectomy.During left hepatic vein ligation,the inferior vena cava was accidentally torn.We observed a sudden drop in oxygen saturation to 85%,decrease in systolic blood pressure(SBP)below 90 mm Hg,and reduction in end-tidal CO_(2)to 24 mm Hg.A“mill-wheel”murmur was auscultated over the precordium.The fraction of inspired oxygen was increased to 100%with 5 cm H2O of positive end-expiratory pressure(PEEP)and hyperventilation was maintained.Norepinephrine infusion was increased to maintain SBP above 90 mm Hg.A TEE probe was inserted,revealing gas bubbles in the right side of the heart,left atrium,left ventricle,and ascending aorta.The surgeon reduced the pneumoperitoneum pressure from 17 to 14 mm Hg and repaired the damaged vessel laparoscopically.Thereafter,the patient’s hemodynamic status stabilized.The patient was transferred to the intensive care unit,recovering well without complications.CONCLUSION TEE monitoring is important to quickly determine the presence and extent of embolism in patients undergoing laparoscopic hepatectomy. | Soeun Jeon Jeong-Min Hong Hyeon Jeong Lee Yesul Kim Hyunjong Kang Boo-young Hwang Dowon Lee Young-hoon Jung | 2022 | World Journal of Clinical Cases2022，10，9： | 1 |
| 4 | Reconstruction of the lower back wound with delayed infection after spinal surgery:A case report显示文摘BACKGROUND Orthopedic surgeries after device implantation are susceptible to infections and may require device removal in the worst cases.For this reason,many efforts are being made to control infections after spinal surgery;however,the number of infec-tion cases is increasing owing to the increasing number of elderly citizens.CASE SUMMARY A 75-year-old male with a chronic spinal defect due to previous spine surgery underwent reconstruction using a perforator-based island flap.After bursectomy and confirmation that there was no connection with the deep tissue,reconstruction was performed.However,wound disruption occurred with abscess formation on postoperative day 29,which led to an imaging workup revealing delayed deep tissue infection.CONCLUSION Infection is one of the most common causes of surgical wound dehiscence and is associated with devastating results if not controlled promptly and definitively.Surgeons should always suspect delayed infections when reconstructing chronic soft tissue defects. | DoWon Kim SooA Lim SuRak Eo Jung Soo Yoon | 2023 | World Journal of Clinical Cases2023，11，27： | 0 |
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