Evaluation of axial length changes after combined phacovitrectomy for macula-off rhegmatogenous retinal detachment

Özal, Sadık Altan

doi:10.14744/bej.2019.84856

Cited by 3 publications

(1 citation statement)

References 21 publications

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“…37 In addition, previous studies have reported that AL increases significantly after SB or PPV. 38,39 The change in AL was found to be between 0.1 and 0.6 mm postoperatively. 40 Previous studies focused on the correlation between AL and RRD and AL change after surgical intervention, not only on the relationship between preoperative AL and re-RD in RRD patients who underwent initial surgical intervention.…”

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confidence: 92%

A Prediction Nomogram for Recurrent Retinal Detachment

Zhou¹,

Lu²,

Chen³

et al. 2023

RMHP

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Purpose Recurrent retinal detachment (re-RD) is one of the complications in rhegmatogenous retinal detachment patients who underwent surgical treatment. We investigated the risk factors for re-RD and developed a nomogram for estimating clinical risk. Methods Univariate and multivariable logistic regression models were performed to determine the association between variables and re-RD, and a nomogram was then developed for re-RD. The nomogram performance was assessed based on its discrimination, calibration, and clinical usefulness. Results This study analyzed 15 potential variables of re-RD in 403 rhegmatogenous retinal detachment patients who underwent initial surgical treatment. Axial length, inferior breaks, retinal break diameter, and surgical methods were independent risk factors for re-RD. A clinical nomogram incorporating these four independent risk factors was constructed. The diagnostic performance of the nomogram was excellent (area under the curve = 0.892, 95% CI: 0.831–0.953). Our study further validated this nomogram by bootstrapping for 500 repetitions. The area under the curve of the bootstrap model was 0.797 (95% CI: 0.712–0.881). This model showed good calibration curve fitting and a positive net benefit in decision curve analysis. Conclusion Axial length, inferior breaks, retinal break diameter, and surgical methods could be risk factors for re-RD. We have developed a prediction nomogram of re-RD for rhegmatogenous retinal detachment following initial surgical treatment.

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confidence: 92%

A Prediction Nomogram for Recurrent Retinal Detachment

Zhou¹,

Lu²,

Chen³

et al. 2023

RMHP

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Accuracy of segmented measurement of axial length in ultra-high myopia filled with silicone oil using immersion B-scan ultrasonography

Yang

Zhang

et al. 2022

Int J Ophthalmol

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AIM: To evaluate the accuracy of segmented measurement of axial length (AL) in high myopia filled with silicone oil by immersion B-scan ultrasonography (immersion B-scan). METHODS: From June 2016 to June 2020, a total of 67 ultra-high myopia inpatients (67 eyes) who underwent silicone oil removal combined with cataract extraction and intraocular lens (IOL) implantation were retrospectively enrolled. The preoperative axial length (AL) of 31 patients with severe cataract were segmented measured using immersion B-scan (B-scan group) and another 36 patients with mild or moderate cataract were measured using IOLMaster 500 (IOLMaster group). The post-operative ALs in two groups were both measured using IOLMaster 500. The IOL power was calculated with Haigis formula. The differences in ALs between pre- and post-surgery, as well as the postoperative refractive spherical equivalent, absolute refractive error, the prediction deviation of postoperative refraction and best corrected visual acuity (BCVA) were compared. RESULTS: The pre- and post-operative ALs were 30.46±1.63 mm (range 28.09-33.51 mm) and 30.42±1.70 mm (range 28.03-33.90 mm) in B-scan group (t=0.644, P=0.542) and 30.51±1.21 mm (range 28.03-33.90 mm) and 30.43±1.27mm (range 28.54-33.50 mm) in IOLMaster group (t=1.843, P=0.074), respectively. Three months after surgery, BCVA were 0.45±0.13 (range 0.3-0.9) and 0.44±0.20 (range 0.2-1.0) in B-scan and IOLMaster group respectively (t=0.086, P=0.932). There was no significant difference of the postoperative spherical equivalent (-3.11±0.65 D vs -3.21±0.51 D, t=0.671, P=0.505) and the absolute refractive error (0.589±0.340 vs 0.470±0.245 D, t=1.615, P=0.112) between two groups. In B-scan group, absolute refractive error within ±0.50 D was found in 18 eyes (58.1%), within ±1.00 D in 26 eyes (83.9%), and within ±1.50 D in 31 eyes (100%). In IOLMaster group, absolute refractive error within ±0.50 D was found in 23 eyes (63.9%), within ±1.00 D in 34 eyes (94.4%), and within ±1.50 D in 36 eyes (Z=0.757, P=0.449). CONCLUSION: The segmented measurement of ALs by immersion B-scan shows comparable measurement accuracy with that of IOLMaster 500 in ultra-high myopia patients with severe cataract secondary to silicone oil filling and can obtain an ideal postoperative refractive state.

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Evaluation of Axial Length and Refractive Results in Patients Undergoing Phacovitrectomy Due to Dense Vitreous Hemorrhage: A Prospective Case Control Study

Öztürk

Ağın

Gencoglu

2023

Preprint

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Purpose: To evaluate the axial length (AL) measurement and refractive results in patients who underwent phacovitrectomy due to dense vitreous hemorrhage and to investigate the effectiveness of ultrasound (US) biometry in this patient group. Methods: In this single-center study, patients with cataract and dense vitreous hemorrhage (VH) who underwent combined phacovitrectomy procedure (Group 1) and patients with cataract who underwent phacoemulsification procedure as control group (Group 2) were included. AL and biometry were performed with US in group 1 and IOL Master 500 in group 2. Postoperatively, AL and biometry of the patients in group 1 were performed with both US and IOL Master 500. Main outcome measures were preoperative and postoperative AL measured by US and IOL Master and refractive outcomes including refractive prediction error (PE), and absolute prediction error (APE). Results: Median preoperative AL measured by US was 23.33 mm (I), median postoperative AL measured by IOL Master 500 was 23.18 mm (II), and median postoperative AL measured by US (III) was 23.44 mm in group 1 (p=0.04, I- II; p=0.01, I- III; p<0.01, II- III). Preoperative US and postoperative IOL Master 500, and preoperative US and postoperative US AL measurement showed a statistically significant strong positive correlation with a high-reliability coefficient. Median PE and APE were similar between the two groups (p=0.25, p=0.99, respectively).

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Evaluation of axial length changes after combined phacovitrectomy for macula-off rhegmatogenous retinal detachment

Cited by 3 publications

References 21 publications

A Prediction Nomogram for Recurrent Retinal Detachment

A Prediction Nomogram for Recurrent Retinal Detachment

Accuracy of segmented measurement of axial length in ultra-high myopia filled with silicone oil using immersion B-scan ultrasonography

Evaluation of Axial Length and Refractive Results in Patients Undergoing Phacovitrectomy Due to Dense Vitreous Hemorrhage: A Prospective Case Control Study

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