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Zhongguo Ying Yong Sheng Li Xue Za Zhi ; 37(2): 219-224, 2021 Mar.
Artigo em Chinês | MEDLINE | ID: mdl-34672161


Objective: Observe the increased anatomical dead space of the mask, summarize the law of exercise induced oscillatory breathing (EIOB) in the results of CPET's new 9 figure, and analyze its incidence and age groups that are prone to oscillatory breathing. Methods: After signed the informed consent form by guardian, 501 children from pre-school to middle-school, aged 3~14 year, performed Harbor-UCLA standard protocol CPET with strict quality control in the CPET laboratory of Liaocheng Children's Hospital since 2014. CPET data was interpreted second by second from the breath by breath collection, averaged by 10s and then display by 9 plots. We analyzed the trends, pattern, incidence and age difference for EIOB and gas leakage. Results: The incidence of EIOB was the highest in the 3 to 6-year-old group, which was 42%. The 7 to 10-year-old group was 29.4% and the 11- to 14-year-old group was 29.9%. The three groups were tested by chi-square (x2=7.512), and the difference was statistically significant (P<0.05). 14 out of 508 children had air leakage during CPET, the incidence rate was 2.7%. Conclusion: The phenomenon of oscillatory breathing (OB) in children may be caused by the increased anatomical dead space of the mask, and it is not caused by disease. To improve the quality of CPET and to reduce clinical misdiagnosis, it is recommended to use a mouthpiece to decrease the dead space rather than the musk.

Teste de Esforço , Respiração , Adolescente , Criança , Pré-Escolar , China/epidemiologia , Erros de Diagnóstico , Humanos
Zhongguo Yi Xue Ke Xue Yuan Xue Bao ; 42(2): 147-153, 2020 Apr 28.
Artigo em Chinês | MEDLINE | ID: mdl-32385019


Objective To investigate the risk factors associated with acute renal failure (ARF) after thoracoabdominal aortic aneurysm (TAAA) surgery. Methods A total of 156 patients underwent TAAA repair between January 2009 and December 2017. Renal failure was defined based on the Kidney Disease Improving Global Outcomes criteria. The patients were divided into ARF group and non-ARF group based on the presence/absence of postoperative ARF. The risk factors of ARF were analyzed by univariate analysis and multivariate logistic analysis. Results The subjects included 111 males and 45 females aged (40.4±10.9) years (range:19-65 years). The surgical reasons included aortic dissection (n=130,83.3%),aneurysm (n=22,14.1%),and pseudoaneurysm (n=4,2.6%). The degrees of repair included Crawford extent I in 6 patients (3.8%),extent Ⅱ in 128 patients (82.1%),extent Ⅲ in 20 patients (12.8%),and extent Ⅳ in 2 patients(1.3%). There were 3 patients presented with aortic rupture and 6 patients received emergent operations. Nine patients (5.8%) died within 30 days after surgery,and 8 patients (5.1%) suffered from permanent paraplegia. Thirty-six patients (23.1%) had ARF after surgery,and 18 of them needed dialysis. Multivariate logistic analysis showed that smoking (OR =2.637,95%CI=1.113-6.250,P=0.028),packed red blood cell usage in operation (≥6 U) (OR =5.508,95%CI=2.144-11.930,P=0.000),reoperation for bleeding (OR=3.529,95%CI=1.298-9.590,P=0.013) were independent risk factors for ARF after TAAA repair. Conclusion Smoking,packed red blood cell usage in operation (≥6 U),reoperation for bleeding are the independent risk factors of ARF after TAAA surgery.

Injúria Renal Aguda/etiologia , Aneurisma da Aorta Torácica/cirurgia , Implante de Prótese Vascular/efeitos adversos , Complicações Pós-Operatórias , Adulto , Idoso , Transfusão de Sangue , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reoperação , Estudos Retrospectivos , Fatores de Risco , Fumar , Resultado do Tratamento , Adulto Jovem
Zhongguo Yi Xue Ke Xue Yuan Xue Bao ; 41(4): 464-471, 2019 Aug 30.
Artigo em Chinês | MEDLINE | ID: mdl-31484607


Objective To evaluate the early and midterm results of surgical repair of thoracoabdominal aortic aneurysm(TAAA)in patients with Marfan syndrome(MFS). Methods The clinical data of patients with MFS undergoing TAAA repair in Fuwai Hospital between January 2009 and December 2017 were retrospectively analyzed.These patients were divided into two groups:MFS group(n=58)and non-MFS group(n=98).The baseline data,early postoperative results,and midterm follow-up outcomes were compared between these two groups. Results MFS patients were significantly younger(32 years old vs. 45 years old,t=9.603,P=0.000)and more frequently had a history of aortic aneurysm or dissection(19% vs. 0,χ 2=19.996,P=0.000)than non-MFS patients.However,the proportions of males and smokers were significantly lower when compared with non-MFS patients(55.2% vs. 80.6%,χ 2=11.489,P=0.001;13.8% vs. 46.9%,χ 2=17.686,P=0.001).There was no significant difference in proportion of emergency operation,prophylactic cerebrospinal fluid drainage,operation time,intra-operative circulation management,and intra-operative blood transfusion(all P>0.05).The 30-day mortality rate was significantly lower in MFS group than in non-MFS group(0 vs. 9.2%, [Formula: see text]=5.034,P=0.025). Conclusions For patients with MFS,TAAA repair provides lower 30-day mortality and comparative middle-term survival.However,the re-intervention rate is higher among MFS patients,highlighting the importance of close follow-up.

Aneurisma da Aorta Torácica/cirurgia , Implante de Prótese Vascular , Síndrome de Marfan/complicações , Adulto , Aneurisma Dissecante , Aneurisma da Aorta Torácica/complicações , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento