Introduction: Sleep disordered breathing (SDB) is a common condition, associated with multiple comorbidities including cardiovascular and metabolic disease. It has been previously established that SDB is more prevalent in men than women, shifting the literature’s focus away from the latter population. As such, underdiagnosis, and thus undertreatment, of SDB in women exists. Methods: To establish the differences in prevalence, clinical presentation, and pathophysiology of SDB between the two sexes, a narrative review of the current literature was performed. Results: Rates of SDB are higher among men, likely driven by differences in symptom presentation between men and women, with women presenting with more “atypical” symptoms, and lack of sensitivity in SDB screening tools to detect SDB in women. In addition to the cardiovascular risks of SDB, women with SDB may have worse quality of life, higher prevalence of insomnia, and respiratory issues. Discussion: More research is needed to better define the unique pathophysiology and clinical presentation of SDB in women. In addition, an increased awareness among health care providers and the lay public of the SDB-specific sex and gender differences will serve to minimize disparities in identification and treatment of SDB in women.

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INTRODUCTION The development and course of inflammatory bowel disease (IBD) appears to be influenced by environmental factors. Particularly, smoking has been shown to assume a harmful role in Crohn’s disease (CD) and a protective role in ulcerative colitis (UC). This study aims to examine the effect of smoking on need for surgery in patients with moderate to severe Crohn’s disease (CD) receiving biologic therapy. METHODS Retrospective study of adult patients with CD at a University Medical Center over a 20-year period. RESULTS A total of 251 patients were included (mean age 36.0 ± 15.0; 70.1% males; current, former, and non-smokers: 44.2%,11.6%, and 43.8%, respectively). Mean duration on biologics was 5.0 ± 3.1 years (>2/3 received anti-TNFs, followed by ustekinumab in 25.9%) and a third of patients (29.5%) received more than one biologic. Disease-related surgeries (abdominal, perianal or both) occurred in 97 patients (38.6%): 50 patients had surgeries prior to starting biologics only, 41 had some surgeries after, and 6 had insufficient information. There was no significant difference in surgeries between ever-smokers (current or previous) vs. non-smokers in the overall study group. On logistic regression, the odds of having any CD surgery were higher in patients with longer disease duration (OR = 1.05, 95% CI = 1.01, 1.09) and in those receiving more than one biologic (OR = 2.31, 95% CI = 1.16, 4.59). However, among patients who had surgery prior to biologic therapy, smokers were more likely to have perianal surgery compared to non-smokers (OR = 10.6, 95% CI = 2.0, 57.4; p=0.006). CONCLUSION In biologic-naive CD patients requiring surgery, smoking is an independent predictor of perianal surgery. Smoking, however, is not an independent risk factor for surgery in this cohort after starting biologics. The risk of surgery in those patients is primarily associated with disease duration and the use of more than one biologic.

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Introduction: The development and course of inflammatory bowel disease (IBD) appears to be influenced by environmental factors. Particularly, smoking has been shown to assume a harmful role in Crohn’s disease (CD) and a protective role in ulcerative colitis (UC). This study aims to examine the effect of smoking on need for surgery in patients with moderate to severe Crohn’s disease (CD) receiving biologic therapy. Methods: Retrospective study of adult patients with CD at a University Medical Center over a 20-year period. Results: A total of 251 patients were included (mean age 36.0 ± 15.0; 70.1% males; current, former, and non-smokers: 44.2%,11.6%, and 43.8%, respectively). Mean duration on biologics was 5.0 ± 3.1 years (>2/3 received anti-TNFs, followed by ustekinumab in 25.9%) and a third of patients (29.5%) received more than one biologic. Disease-related surgeries (abdominal, perianal or both) occurred in 97 patients (38.6%): 50 patients had surgeries prior to starting biologics only, 41 had some surgeries after, and 6 had insufficient information. There was no significant difference in surgeries between ever-smokers (current or previous) vs. non-smokers in the overall study group. On logistic regression, the odds of having any CD surgery were higher in patients with longer disease duration (OR = 1.05, 95% CI = 1.01, 1.09) and in those receiving more than one biologic (OR = 2.31, 95% CI = 1.16, 4.59). However, among patients who had surgery prior to biologic therapy, smokers were more likely to have perianal surgery compared to non-smokers (OR = 10.6, 95% CI = 2.0, 57.4; p=0.006). Conclusion: In biologic-naive CD patients requiring surgery, smoking is an independent predictor of perianal surgery. Smoking, however, is not an independent risk factor for surgery in this cohort after starting biologics. The risk of surgery in those patients is primarily associated with disease duration and the use of more than one biologic.