title: Optical Coherence Tomography Parameters in Morbidly Obese Patients Who Underwent Laparoscopic Sleeve Gastrectomy.
abstract: Purpose. To investigate changes in optical coherence tomography parameters in morbidly obese patients who had undergone laparoscopic sleeve gastrectomy (LSG). Methods. A total of 41 eyes of 41 morbidly obese patients (BMI ≥ 40) who had undergone LSG were included in study. The topographic optic disc parameters, central macular thickness (CMT), total macular volume (TMV), and retinal ganglion cell layer (RGCL) were measured by spectral-domain optical coherence tomography (SD-OCT). Subfoveal choroidal thickness (SFCT) was measured by enhanced deep imaging-optical coherence tomography (EDI-OCT). Results. The mean CMT was 237.4 ± 24.5 μm, 239.3 ± 24.1 μm, and 240.4 ± 24.5 μm preoperatively, 3 months postoperatively, and 6 months postoperatively, respectively (p < 0.01). The mean TMV was 9.88 ± 0.52 mm(3), 9.96 ± 0.56 mm(3), and 9.99 ± 0.56 mm(3) preoperatively, 3 months postoperatively, and 6 months postoperatively, respectively (p < 0.01). The mean RGCL was 81.2 ± 6.5 μm, 82.7 ± 6.6 μm, and 82.9 ± 6.5 μm preoperatively, 3 months postoperatively, and 6 months postoperatively, respectively (p < 0.01). The mean SFCT was 309.8 ± 71.8 μm, 331.0 ± 81.4 μm, and 352.7 ± 81.4 μm preoperatively, 3 months postoperatively, and 6 months postoperatively, respectively (p < 0.01). No statistically significant differences were found between the preoperative values and 3- and 6-month postoperative values in rim area (p = 0.34), disc area (p = 0.64), vertical cup/disc ratio (p = 0.39), cup volume (p = 0.08), or retinal nerve fiber layer (p = 0.90). Conclusions. Morbidly obese patients who undergo LSG experience a statistically significant increase in CMT, TMV, SFCT, and RGCL at 3 months and 6 months after surgery.
authors.affiliation: Department of Ophthalmology, Antalya Training and Research Hospital, 07100 Antalya, Turkey.
authors.forename: Berna
authors.identifier: 0000-0003-3562-019X
authors.initials: B
authors.lastname: Dogan
authors.affiliation: Department of General Surgery, Antalya Training and Research Hospital, 07100 Antalya, Turkey.
authors.forename: Ugur
authors.initials: U
authors.lastname: Dogan
authors.affiliation: Department of Ophthalmology, Antalya Training and Research Hospital, 07100 Antalya, Turkey.
authors.forename: Muhammet Kazim
authors.identifier: 0000-0002-1720-8065
authors.initials: MK
authors.lastname: Erol
authors.affiliation: Department of General Surgery, Esenler Maternity and Child Health Hospital, 34230 Istanbul, Turkey.
authors.forename: Mani
authors.initials: M
authors.lastname: Habibi
authors.affiliation: Department of General Surgery, Medicine Faculty, Akdeniz University, 07058 Antalya, Turkey.
authors.forename: Nurullah
authors.initials: N
authors.lastname: Bulbuller