Publications by authors named "Cem Kayhan"

Background: Crohn's disease (CD) significantly affects patients' health-related quality of life and well-being.

Aims: Communicating Needs and Features of IBD Experiences (CONFIDE) survey explores the experience and impact of moderate-to-severe CD symptoms on patients' lives and identifies communication gaps between patients and health care professionals (HCPs).

Methods: Online, quantitative, cross-sectional surveys of patients, and HCPs were conducted in the United States (US), Europe (France, Germany, Italy, Spain, United Kingdom), and Japan.

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Background: The Communicating Needs and Features of IBD Experiences (CONFIDE) study aimed to evaluate the experience and impact of ulcerative colitis (UC) symptoms on patients' lives and elucidate gaps in communication between patients and health care professionals (HCPs).

Methods: Online, quantitative, cross-sectional surveys of patients with moderate-to-severe UC and HCPs responsible for making prescribing decisions were conducted in the United States (US) and Europe. UC disease severity was defined by treatment, steroid use, and/or hospitalization history.

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Bowel urgency (BU), the sudden or immediate need for a bowel movement, is one of the most common and disruptive symptoms experienced by patients with ulcerative colitis (UC). Distinct from the separate symptom of increased stool frequency, BU has a substantial negative impact on quality of life and psychosocial functioning. Among patients with UC, BU is one of the top reasons for treatment dissatisfaction and one of the symptoms patients most want improved.

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Background: To evaluate disease burden and patient-reported outcomes (PROs) of ulcerative colitis (UC) patients at enrollment into CorEvitas' Inflammatory Bowel Disease Registry by therapy class.

Methods: Between May 3, 2017 and September 3, 2019, 773 UC registry patients were categorized by therapy class at enrollment: patients on 5-aminosalicylic acids (5-ASAs) only ( = 290), and patients on biologics/Janus kinase inhibitors (JAKi) alone or in combination with 5-ASAs or immunosuppressant therapies (BIO/JAKi) ( = 315). To quantify between group differences, the mean/proportional differences and corresponding 95% CIs were calculated.

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Background: Moderate-to-severe ulcerative colitis (UC) and Crohn's disease (CD) are associated with substantial quality of life and economic burdens (Kawalec, 2016). The Communicating Needs and Features of IBD Experiences (CONFIDE) study aims to further the understanding of the experience and impact of symptoms on patients' lives and elucidate any gaps in communication between healthcare professionals (HCPs) and patients with moderate-to-severe UC and CD in the United States (US), Europe, and Japan. These data focus on US patients with UC and US HCPs.

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Background: Patients with Crohn's disease in whom tumor necrosis factor antagonist therapy fails have limited treatment options, and the benefit of reintroducing the same therapy remains unclear. Here, we report results from PRECiSE 4 (NCT00160706), an open-label extension study of certolizumab pegol in patients who withdrew from the placebo-controlled studies PRECiSE 1 or 2.

Methods: Patients eligible for PRECiSE 4 had Crohn's disease exacerbation on placebo or primary or secondary failure to certolizumab pegol in PRECiSE 1 or 2, and received 400 mg certolizumab pegol subcutaneously at weeks 0, 2, and 4 and every 4 weeks thereafter up to 360 weeks.

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Objective: The purpose of this study was to evaluate early findings for aortopulmonary shunts using bovine internal mammary artery grafting.

Methods: Bovine internal mammary artery grafts biomodified with glutaraldehyde and the Shelhigh No-React process were used between May 2005 and April 2006 in our clinic for 20 cases of aorta-pulmonary artery shunts. We implanted 2 sizes of grafts, either a graft with 4-mm proximal and 5-mm distal diameters or a graft with 5-mm proximal and 6-mm distal diameters.

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Atrial septostomy or septectomy are required to enable atrial mixture in various congenital cardiac lesions. The aim of this article was to introduce a technique where atrial septostomy application could be employed off pump with the aid of a new device. To our knowledge this is the first report for this technique in the literature.

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