Journal Basic Info

  • Impact Factor: 1.995**
  • H-Index: 8
  • ISSN: 2474-1647
  • DOI: 10.25107/2474-1647
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Colon and Rectal Surgery
  •  General Surgery
  •  Bariatric Surgery
  •  Ophthalmic Surgery
  •  Vascular Surgery
  •  Oral and Maxillofacial Surgery
  •  Emergency Surgery
  •  Minimally Invasive Surgery

Abstract

Citation: Clin Surg. 2019;4(1):2634.Research Article | Open Access

Ocular Biometric Changes after Trabectome Surgery

Yusuke Kono, Masayuki Kasahara, Yoshihiko Iida, Tatsuhiko Tsujisawa and Nobuyuki Shoji

Department of Ophthalmology, Kitasato University School of Medicine, Japan

*Correspondance to: Yusuke Kono 

 PDF  Full Text DOI: 10.25107/2474-1647.2634

Abstract

Purpose: To evaluate ocular biometric changes after trabectome surgery. Design: Prospective non-randomized cohort study. Methods: We evaluated ocular biometric change in 97 eyes of 81 patients who underwent trabectome surgery at Kitasato University Hospital, involving 37 eyes of 32 patients who underwent trabectome surgery alone (Trab-alone) and 60 eyes of 49 patients who underwent trabectome surgery combined with cataract surgery (Trab-combined). Intraocular Pressure (IOP), Axial Length (AL), Anterior Chamber Depth (ACD), and mean keratometry (mean K) were compared with before and after the surgery. Moreover, comparison of the changes in AL (ΔAL) and IOP (ΔIOP) was done using correlation analysis for each group. IOL MasterTM (Carl Zeiss Meditec Inc.) was used for the biometric measurements. Result: Three months after surgery, IOP was reduced from 24.4 ± 7.1 to 15.7 ± 3.3 mmHg in the Trab-alone group, from 24.7 ± 6.4 to 15.0 ± 5.8 mmHg in the Trab-combined group (Wilcoxon signed-rank test; P<0.001, P<0.001, respectively). AL was reduced from 25.17 ± 2.16 to 25.12 ± 2.14 mm in the Trab-alone group, from 24.09 ± 1.31 to 23.95 ± 1.30 mm in the Trab-combined group (Wilcoxon signed-rank test; P<0.001, P<0.001, respectively). ACD in the Trab-alone group was decreased slightly from 4.16 ± 0.78 to 4.12 ± 0.80 mm, and in the Trab-combined group was increased 3.14 ± 0.39 to 4.63 ± 0.45 mm. Change of ACD was not significant in the trab-alone group, whereas, it was significant in the Trab-combined group (Wilcoxon signed-rank test; P=0.539 and P<0.001). Mean K in the Trab-alone group was increased slightly from 44.13 ± 1.68 D and 44.19 ± 1.80 D, and in the Trab-combined group 44.46 ± 1.63 to 44.55 ± 1.61 D. Change of mean K was not significant in both groups (Wilcoxon signed-rank test P=0.484 and P=0.202). A significant correlation was recognized between ΔIOP and ΔAL in Trab-alone and Trab-combined groups (Spearman’s rank correlation coefficient: R=0.577, P<0.001; R=0.402, P=0.002, respectively). Conclusion: Ocular biometric changes was shown after trabectome surgery, indicating that we should take notice of the change of postoperative refraction or the refractive error after trabectome surgery combined with cataract surgery in the case whose preoperative IOP was higher.

Keywords

Glaucoma; Trabectome; Trabeculectomy; IOP; Axial length; Ocular biometry

Cite the article

Kono Y, Kasahara M, Iida Y, Tsujisawa T, Shoji N. Ocular Biometric Changes after Trabectome Surgery. Clin Surg. 2019; 4: 2634.

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