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Query: UMLS:C0242379 (lung cancer)
 71,905 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The possible relationship between lung cancer and nocturnal intermittent hypoxia, apnea and daytime sleepiness, especially the possible relationship between the occurrence and progression of lung cancer and obstructive sleep apnea syndrome (OSAS) was explored. Forty-five cases of primary lung cancer suitable for surgical resection at the Third Affiliated Hospital of Kunming Medical University between January 2017 and December 2017 were recruited (lung cancer group), and there were 45 patients in the control group who had no significant differences in age, sex and other general data from lung cancer group. The analyzed covariates included general situation, snore score, the Epworth Sleeping Scale (ESS), Pittsburgh Sleep Quality Index (PSQI), apnea and hypopneas index (AHI), oxygen desaturation index 4 (ODI4), lowest arterial oxygen saturation [LSpO2 (%)], oxygen below 90% of the time [T90% (min)], the percentage of the total recorded time spend below 90% oxygen saturation (TS90%), to explore the possible relationship between lung cancer and above indicators. The participants were followed up for one year. The results showed that: (1) There was significant difference in body mass index (BMI), ESS, AHI, T90% (min), TS90%, ODI4, snore score and LSpO2 (%) between lung cancer group and control group (P<0.05). There was no statistically significant difference in age, gender, PSQI score, incidence of concurrent hypertension, diabetes and coronary heart disease (CHD), and smoking history between the two groups (P>0.05); (2) Patients in the lung cancer group were divided into OSAS subgroup and non-OSAS subgroup according to the international standard for the diagnosis of OSAS. There was significant difference in BMI, age, staging, incidence of concurrent hypertension and concurrent CHD, snore score, ESS score, T90% (min), TS90%, ODI4 and LSpO2 (%) between OSAS subgroup and non-OSAS subgroup (P<0.05). There was no statistically significant difference in gender, PSQI score, incidence of concurrent diabetes, smoking history and lung cancer type between the two groups (P>0.05); (3) AHI was strongly negatively correlated with the LSpO2 (%) and positively with ESS, staging, snoring score, T90% (min), TS90%, ODI4 and BMI (P<0.05); (4) There were 3 deaths, 5 cases of recurrence, and 4 cases of metastasis in OSAS subgroup; and there was 1 death, 4 cases of recurrence and 2 cases of metastasis in non-OSAS subgroup during the follow-up period of one year, respectively. There was no significant difference in mortality, recurrence rate and metastasis rate between the two subgroups, and the total rate of deterioration in OSAS subgroup was significantly increased compared to the non-OSAS subgroup (P<0.05). It was concluded that the patients with lung cancer are prone to nocturnal hypoxemia, apnea, snoring and daytime sleepiness compared to control group. The incidence of OSAS in patients with lung cancer was higher, and the difference in the hypoxemia-related indicators was statistically significant. The mortality, recurrence rate, and metastasis rate increases in lung cancer patients with OSAS during the one-year follow-up period, suggesting that OSAS may be a contributing factor to the occurrence and progression of lung cancer.
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PMID:Relationship between Occurrence and Progression of Lung Cancer and Nocturnal Intermittent Hypoxia, Apnea and Daytime Sleepiness. 3134 92


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