Risk factors and diagnosis of severe deep venous thrombosis in children / 中国小儿急救医学

Critically ill patients in PICU are at high risk of deep venous thromboembolism(DVT) and pulmonary embolism (PE).Sepsis and septic shock,central venous catheter,surgery and trauma,bed rest and immobilization,and the use of certain drugs(such as vasopressin) are high risk factors for DVT and PE.DVT or PE caused by mycoplasma infection is a new clinical problem in children.D-dimer is an important screening test for DVT,ultrasound doppler is the first choice of diagnostic examination,and venography is the "gold standard" for the diagnosis of DVT.In the current period,surveillance of high risk factors and earily diagnosis are the main strategies for DVT/PE.The efficacy of anticoagulants including unfractionated heparin and low-molecular-weight heparin in preventing DVT or PE in children needs further study.

Key issues of perioperative management in bariatric and metabolic surgery / 中国实用外科杂志

Bariatric and metabolic surgery has gained its rapid development recently. However,their perioperative management remains special due to the complex nature of obesity and type 2 diabetes mellitus. Special attention regarding the perioperative management of bariatric and metabolic surgery includes preoperative diagnosis and differential diagnosis, management of obesity related preoperative comorbidities, preoperative and postoperative management. Preoperative weight loss could decrease the surgical difficulty and surgical related compilations.Perioperative management of obstructive sleep apnea syndrome is relatively complicated. Meanwhile,measures regarding the deep venous thromboembolism prophylaxis are different in eastern and western countries.