scholarly journals Twelve-month surgical outcome and prognostic factors of stand-alone ab interno trabeculotomy in Japanese patients with open-angle glaucoma

PLoS ONE ◽  
2021 ◽  
Vol 16 (1) ◽  
pp. e0245015
Author(s):  
Takashi Omoto ◽  
Aya Sugiura ◽  
Takashi Fujishiro ◽  
Kimiko Asano-Shimizu ◽  
Koichiro Sugimoto ◽  
...  
Keyword(s):  
Prognostic Factors ◽  
Success Rate ◽  
Surgical Outcome ◽  
Cox Model ◽  
Open Angle Glaucoma ◽  
Open Angle ◽  
Mixed Effect ◽  
Surgical Success ◽  
Medication Score ◽  
Ab Interno

The purpose of the study was to evaluate the 12-month surgical outcome and prognostic factors of stand-alone ab interno trabeculotomy. The changes in the intraocular pressure (IOP) and medication score and the success rate of the surgery were analyzed. Thirty-four eyes of 29 patients with primary open-angle glaucoma (POAG; n = 16) or pseudoexfoliation glaucoma (PEG; n = 18) with a 12-month follow-up period were included in the study. The decreases in IOP and medication score from the baseline to the all-time-point were statistically significant (P < 0.001). The surgical success rates were 97.1%, 76.5%, and 44.0% at 3 months (90 days), 6 months (180 days), and 12 months (365 days), respectively. A mixed effect Cox model revealed that the type of glaucoma (POAG) was significantly associated with surgical failure (P = 0.044). Furthermore, the surgical success rate was significantly higher in eyes with PEG than it was in those with POAG (P = 0.019). Stand-alone ab interno trabeculotomy significantly lowered both the IOP and the medication score in patients with glaucoma, although almost one quarter of the cases needed additional glaucoma surgeries. The surgical success rate was significantly higher in eyes with PEG than it was in those with POAG.

One-year results of gonioscopy-assisted transluminal trabeculotomy: Evaluation of prognostic factors

2020 ◽  
pp. 112067212090871 ◽  
Author(s):  
Mehmet Ozgur Cubuk ◽  
Erkan Unsal
Keyword(s):  
Intraocular Pressure ◽  
Success Rate ◽  
Open Angle Glaucoma ◽  
Multivariate Logistic Regression Analysis ◽  
Cataract Extraction ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Multivariate Logistic Regression ◽  
Surgical Success ◽  
Corrected Visual Acuity

Purpose: To present the results and complications of gonioscopy-assisted transluminal trabeculotomy in adults with open-angle glaucoma using our different approaches during and after surgery. Method: A retrospective comparative study was designed. Patients with regular 12-month follow-up history were included. Two groups were defined: group 1 comprised patients with open-angle glaucoma who underwent gonioscopy-assisted transluminal trabeculotomy surgery alone; group 2 included patients with open-angle glaucoma who underwent combined gonioscopy-assisted transluminal trabeculotomy and cataract extraction. A 30% reduction in preoperative intraocular pressure or postoperative intraocular pressure below 18 mm Hg was considered as surgical success. The success rate, alteration in intraocular pressure, alteration in best-corrected visual acuity, alteration in the need for antiglaucomatous medications, surgical complications, and the need for additional glaucoma surgery were evaluated and compared between the groups. Multivariate logistic regression analysis was used to show the association between the surgical success and possible prognostic factors. Results: A total of 37 eyes fulfilled the inclusion criteria and were analyzed in this study. An overall mean decrease in intraocular pressure of 11.3 ± 9.3 mm Hg was shown at 12 months (p < 0.001). The medication-free surgical success rate was 37.8% (14/37), and the surgical success rate with medication was 91.8% (33/37) at 12 months. Surgical outcomes were similar between patients who underwent gonioscopy-assisted transluminal trabeculotomy alone and those who had combined gonioscopy-assisted transluminal trabeculotomy and cataract extraction (p > 0.05). The most common postoperative complication was hyphemia (89.1%). There were no complications that threatened best-corrected visual acuity. Multivariate logistic regression analysis revealed one significant association between the presence of blood in Schlemm’s canal and surgical success (odds ratio = 1.47; 95% confidence interval = 1.25–1.68; p = 0.047). Conclusion: This study showed that the gonioscopy-assisted transluminal trabeculotomy procedure is an effective and minimally invasive form of glaucoma surgery. Its effect was related to intraoperative blood in Schlemm’s canal.

scholarly journals The Effects of Trabeculectomy on Pseudoexfoliation Glaucoma and Primary Open-Angle Glaucoma

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Fan Li ◽  
Guangxian Tang ◽  
Hengli Zhang ◽  
Xiaowei Yan ◽  
Lihua Ma ◽  
...  
Keyword(s):  
Medical Treatment ◽  
Success Rate ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Open Angle ◽  
Success Rates ◽  
Pseudoexfoliation Glaucoma ◽  
Long Term Effects ◽  
Surgical Success

Purpose. To compare long-term effects of trabeculectomy on pseudoexfoliation glaucoma (PXG) and primary open-angle glaucoma (POAG). Methods. This retrospective case-control study included 53 eyes of PXG and 76 eyes of POAG. Intraocular pressure (IOP), number of antiglaucoma medications used, surgical success rate, and occurrence of complications were observed and statistically analyzed in both groups at 3 and 6 months and at 1, 3, and 5 years after trabeculectomy. Surgical success was defined according to the following 3 criteria: (1) IOP ≤ 21 mmHg; (2) IOP ≤ 18 mmHg; (3) IOP ≤ 15 mmHg. Complete success is defined as patients met these criteria without medical treatment, and qualified success is defined as patients met these criteria with medical treatment (≤3 medications). Cumulative probabilities of success were compared using the Kaplan–Meier survival analysis. Results. For the 3 criteria, there were no statistically significant differences in complete and qualified success rates between the two groups at 3 and 6 months after trabeculectomy (P>0.05). For criterion A, complete success rates in PXG at 3 and 5 years after surgery were lower than those in POAG; for criterion B, complete and qualified success rates in PXG at 3 and 5 years after surgery were lower than those in POAG; for criterion C, complete and qualified success rates in PXG at 1, 3, and 5 years after surgery were lower than those in POAG, the differences were statistically significant (P<0.05). Conclusions. The short-term success rates of both types of glaucoma were similar; however, the long-term success rate of PXG was significantly lower, and it was difficult to achieve long-term control of IOP at a low target level.

scholarly journals Primary Outcomes of Combined Cataract Extraction Technique with Ab-interno Trabeculectomy  and Endoscopic Cyclophotocoagulation  in Patients with Primary Open Angle Glaucoma

2020 ◽  
Author(s):  
Juan Carlos Izquierdo ◽  
Josefina Mejias ◽  
Laura Cañola ◽  
Natalia Agudelo ◽  
Barbara Rubio
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Surgical Success ◽  
Corrected Visual Acuity ◽  
Ab Interno Trabeculectomy ◽  
The Mean ◽  
Best Corrected Visual Acuity ◽  
Ab Interno

Abstract Background: Glaucoma surgery have been developed to lower intraocular pressure in a less invasive manner than traditional glaucoma surgery. The purpose of this article is to determine the outcome of using combined phacoemulsification technique, ab-interno trabeculectomy dual blade and endoscopic cyclophotocoagulation (ECP) surgeries in patients with primary open angle glaucoma. Methods: A retrospective case series was performed on 27 consecutive eyes with both primary open-angle glaucoma (POAG) and cataract; each eye was treated with combined phacoemulsification, ab-interno trabeculectomy-Kahook Dual Blade and Endocyclophotocoagulation at Instituto de ojos Oftalmosalud, Lima, Peru, between April 2017 and May 2017. Inclusion criteria: 1) Patients with uncontrolled mild to advanced POAG (according to Glaucoma Grading Scale HODAPP) 2) cataract condition 3) treatment with two or more glaucoma medications due to rapid progression in the visual fields (at least two in a short period of time). Intraocular pressure (IOP), best corrected visual acuity (BCVA) logMAR and number of glaucoma medications were recorded prior to the study, at day 1, week 1, and 1,3,6 and 9 months after surgery. Primary outcome measure was surgical success defined in terms of IOP <14 mmHg either with no medications (complete success) or with medications (qualified success). Results: A total of 27 eyes from 27 patients were included. The mean basal IOP was 17.0±3.7 mmHg and postoperatively was 11.6±1.9 mmHg and 11.4±1.8 mmHg (P<0.001) at 6 and 9 months respectively. Glaucoma medications decreased from 1.9±1.4 to 0.56±1.05 at 9 month follow-ups (P<0.001). Preoperative best corrected visual acuity (BCVA) showed and improvement from 0.4± 0.4 LogMAR to 0.2 ± 0.4 logMAR at 9 months. The main complication was blood reflux intra-operatively (66.7%), which resolved without re-operation. The mean IOP was reduced by 32.9% from baseline and the surgical success was 92,6%, (complete success 70,3% and qualified success 29,6%) at 9 months.Conclusions: In patients with POAG, combined treatment with phacoemulsification, ab-interno trabeculectomy and endoscopic cyclophotocoagulation effectively reduced IOP and glaucoma medication dependence.

scholarly journals Effects of Preoperative Intraocular Pressure Level on Surgical Results of Microhook Ab Interno Trabeculotomy

2021 ◽  
Vol 10 (15) ◽  
pp. 3327
Author(s):  
Masaki Tanito ◽  
Kazunobu Sugihara ◽  
Aika Tsutsui ◽  
Katsunori Hara ◽  
Kaoru Manabe ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Success Rate ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Pressure Level ◽  
Surgical Results ◽  
Open Angle ◽  
Success Rates ◽  
Factors Associated ◽  
Ab Interno

To assess the roles of preoperative intraocular pressure (IOP) level on the IOP reducing efficacy of microhook ab interno trabeculotomy (µLOT), 126 consecutive open-angle glaucomatous eyes (90 primary open angle glaucoma, 36 exfoliation glaucoma) of 126 Japanese subjects (60 men, 66 women; mean age ± standard deviation, 70.5 ± 11.4 years) who underwent µLOT alone (25 eyes, 20%) or combined µLOT and cataract surgery (101 eyes, 80%) were retrospectively included, and subdivided into four groups based on the quartile of preoperative IOP: Q1, ≤15 mmHg; Q2, 15–18 mmHg, Q3, 18–21 mmHg, and Q4, >21 mmHg. Preoperative and 12 months postoperative IOPs and numbers of antiglaucoma medications were compared among IOP groups. Factors associated with postoperative IOP were assessed using multivariate analysis, and the success of IOP control was assessed with various definitions. Postoperatively, IOP was significantly higher in Q3 (p < 0.0146) and Q4 (p = 0.0320) groups than Q1 group, while the number of medications was not significantly different among four IOP groups (p = 0.1966). Older age was associated with lower postoperative IOP, and higher preoperative IOP was associated with higher postoperative IOP, while sex, glaucoma type, surgical procedure, lens status, extent of trabeculotomy incision, and preoperative number of medications were not associated with postoperative IOP. The success rates for IOP ≤ 18 and ≤15 mmHg were higher in lower preoperative IOP groups (i.e., Q1 and Q2) than higher preoperative IOP groups (Q3 and Q4), while the success rate for ≥20% IOP reduction was higher in higher preoperative IOP groups than in lower preoperative IOP groups; the success rate for ≥0% IOP reduction was equivalent among groups. By reviewing the previous studies in ab interno trabeculotomy/goniotomy procedures, positive correlation between preoperative and postoperative IOPs was preserved throughout the studies and surgical procedures. After the µLOT, larger %IOP reduction was achieved in higher preoperative IOP groups than in lower preoperative IOP groups, while postoperative IOP was still lower than in lower preoperative IOP groups.

scholarly journals Primary Outcomes of Combined Cataract Extraction Technique with Ab-interno Trabeculectomy  and Endoscopic Cyclophotocoagulation  in Patients with Primary Open Angle Glaucoma

2020 ◽  
Author(s):  
Juan Carlos Izquierdo ◽  
Josefina Mejias ◽  
Laura Cañola ◽  
Natalia Agudelo ◽  
Barbara Rubio
Keyword(s):  
Visual Acuity ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Open Angle ◽  
Surgical Success ◽  
Corrected Visual Acuity ◽  
Ab Interno Trabeculectomy ◽  
The Mean ◽  
Best Corrected Visual Acuity ◽  
Ab Interno

Abstract Background: To determine the outcome of using combined phacoemulsification technique, ab-interno trabeculectomy dual blade and endoscopic cyclophotocoagulation (ECP) surgeries in patients with primary open angle glaucoma. Methods: A retrospective case series was performed on 27 consecutive eyes with both primary open-angle glaucoma (POAG) and cataract; each eye was treated with combined phacoemulsification, ab-interno trabeculectomy-Kahook Dual Blade and Endocyclophotocoagulation at Instituto de ojos Oftalmosalud, Lima, Peru, between April 2017 and May 2017. Inclusion criteria: 1) Patients with uncontrolled mild to advanced POAG (according to Glaucoma Grading Scale HODAPP) 2) cataract condition 3) treatment with two or more glaucoma medications due to rapid progression in the visual fields (at least two in a short period of time). Intraocular pressure (IOP), best corrected visual acuity (BCVA) logMAR and number of glaucoma medications were recorded prior to the study, at day 1, week 1, and 1,3,6 and 9 months after surgery. Primary outcome measure was surgical success defined in terms of IOP <14 mmHg either with no medications (complete success) or with medications (qualified success). Results: A total of 27 eyes from 27 patients were included. The mean basal IOP was 17.0±3.7 mmHg and postoperatively was 11.6±1.9 mmHg and 11.4±1.8 mmHg (P<0.001) at 6 and 9 months respectively. Glaucoma medications decreased from 1.9±1.4 to 0.56±1.05 at 9 month follow-ups (P<0.001). Preoperative best corrected visual acuity (BCVA) showed and improvement from 0.4± 0.4 LogMAR (p<0.001) to 0.2 ± 0.4 logMAR at 9 months. The main complication was blood reflux intra-operatively (66.7%), which resolved without re-operation. The mean IOP was reduced by 32.9% from baseline and the surgical success was 92,6%, (complete success 70,3% and qualified success 29,6%) at 9 months. Conclusions: In patients with POAG, combined treatment with phacoemulsification, ab-interno trabeculectomy and endoscopic cyclophotocoagulation effectively reduced IOP and glaucoma medication dependence.

scholarly journals Primary outcomes of combined cataract extraction technique with Ab-Interno trabeculectomy and endoscopic Cyclophotocoagulation in patients with primary open angle Glaucoma

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Juan Carlos Izquierdo ◽  
Josefina Mejías ◽  
Laura Cañola-R ◽  
Natalia Agudelo ◽  
Bárbara Rubio
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Surgical Success ◽  
Corrected Visual Acuity ◽  
Ab Interno Trabeculectomy ◽  
The Mean ◽  
Best Corrected Visual Acuity ◽  
Ab Interno

Abstract Background Glaucoma surgery have been developed to lower intraocular pressure in a less invasive manner than traditional glaucoma surgery. The purpose of this article is to determine the outcome of using combined phacoemulsification technique, ab-interno trabeculectomy dual blade and endoscopic cyclophotocoagulation (ECP) surgeries in patients with primary open angle glaucoma. Methods A retrospective case series was performed on 27 consecutive eyes with both primary open-angle glaucoma (POAG) and cataract; each eye was treated with combined phacoemulsification, ab-interno trabeculectomy-Kahook Dual Blade and Endocyclophotocoagulation at Instituto de ojos Oftalmosalud, Lima, Peru, between April 2017 and May 2017. Inclusion criteria: 1) Patients with uncontrolled mild to advanced POAG (according to Glaucoma Grading Scale HODAPP) 2) cataract condition 3) treatment with two or more glaucoma medications due to rapid progression in the visual fields (at least two in a short period of time). Intraocular pressure (IOP), best corrected visual acuity (BCVA) logMAR and number of glaucoma medications were recorded prior to the study, at day 1, week 1, and 1,3,6 and 9 months after surgery. Primary outcome measure was surgical success defined in terms of IOP < 14 mmHg either with no medications (complete success) or with medications (qualified success). Results A total of 27 eyes from 27 patients were included. The mean basal IOP was 17.0 ± 3.7 mmHg and postoperatively was 11.6 ± 1.9 mmHg and 11.4 ± 1.8 mmHg (P < 0.001) at 6 and 9 months respectively. Glaucoma medications decreased from 1.9 ± 1.4 to 0.56 ± 1.05 at 9 month follow-ups (P < 0.001). Preoperative best corrected visual acuity (BCVA) showed and improvement from 0.4 ± 0.4 LogMAR to 0.2 ± 0.4 logMAR at 9 months. The main complication was blood reflux intra-operatively (66.7%), which resolved without re-operation. The mean IOP was reduced by 32.9% from baseline and the surgical success was 92,6%, (complete success 70,3% and qualified success 29,6%) at 9 months. Conclusions In patients with POAG, combined treatment with phacoemulsification, ab-interno trabeculectomy and endoscopic cyclophotocoagulation effectively reduced IOP and glaucoma medication dependence.

scholarly journals Primary Outcomes of Combined Cataract Extraction Technique with Ab-interno Trabeculectomy  and Endoscopic Cyclophotocoagulation  in Patients with Primary Open Angle Glaucoma

2020 ◽  
Author(s):  
Juan Carlos Izquierdo ◽  
Josefina Mejias ◽  
Laura Cañola ◽  
Natalia Agudelo ◽  
Barbara Rubio
Keyword(s):  
Visual Acuity ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Open Angle ◽  
Surgical Success ◽  
Corrected Visual Acuity ◽  
Ab Interno Trabeculectomy ◽  
The Mean ◽  
Best Corrected Visual Acuity ◽  
Ab Interno

Abstract Background: To determine the outcome of using combined phacoemulsification technique, ab-interno trabeculectomy dual blade and endoscopic cyclophotocoagulation (ECP) surgeries in patients with primary open angle glaucoma. Methods:  A retrospective case series was performed on 27 consecutive eyes with both primary open-angle glaucoma (POAG) and cataract; each eye was treated with combined phacoemulsification, ab-interno trabeculectomy-Kahook Dual Blade and Endocyclophotocoagulation at Instituto de ojos Oftalmosalud, Lima, Peru, between April 2017 and May 2017. Inclusion criteria: 1) Patients with uncontrolled mild to advanced POAG (according to Glaucoma Grading Scale HODAPP) 2) cataract condition 3) treatment with two or more glaucoma medications due to rapid progression in the visual fields (at least two in a short period of time). Intraocular pressure (IOP), best corrected visual acuity (BCVA) logMAR and number of glaucoma medications were recorded prior to the study, at day 1, week 1, and 1,3,6 and 9 months after surgery. Primary outcome measure was surgical success defined in terms of IOP <14 mmHg either with no medications (complete success) or with medications (qualified success). Results: A total of 27 eyes from 27 patients were included. The mean basal IOP was 17.0±3.7 mmHg and postoperatively was 11.6±1.9 mmHg and 11.4±1.8 mmHg (P<0.001) at 6 and 9 months respectively. Glaucoma medications decreased from 1.9±1.4 to 0.56±1.05 at 9 month follow-ups (P<0.001). Preoperative best corrected visual acuity (BCVA) showed and improvement from 0.4± 0.4 LogMAR to 0.2 ± 0.4 logMAR at 9 months. The main complication was blood reflux intra-operatively (66.7%), which resolved without re-operation. The mean IOP was reduced by 32.9% from baseline and the surgical success was 92,6%, (complete success 70,3% and qualified success 29,6%) at 9 months.Conclusions: In patients with POAG, combined treatment with phacoemulsification, ab-interno trabeculectomy and endoscopic cyclophotocoagulation effectively reduced IOP and glaucoma medication dependence.

scholarly journals Effects of Ripasudil on Open-Angle Glaucoma after Circumferential Suture Trabeculotomy Ab Interno

2021 ◽  
Vol 10 (3) ◽  
pp. 401
Author(s):  
Tomoki Sato ◽  
Takahiro Kawaji
Keyword(s):  
Propensity Score Analysis ◽  
Open Angle Glaucoma ◽  
Outflow Tract ◽  
Control Group ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Score Analysis ◽  
The Mean ◽  
Ab Interno

We evaluated the effects of ripasudil on the distal aqueous outflow tract in patients with open-angle glaucoma (OAG) who underwent a 360° suture trabeculotomy ab interno followed by ripasudil treatment beginning 1 month postoperatively. We compared 27 of these patients, by using propensity score analysis, with 27 patients in a matched control group who had no ripasudil treatment. We assessed the changes in the mean intraocular pressure (IOP) and the relationship between the IOP changes and background factors. All eyes had a complete 360° Schlemm’s canal incision and phacoemulsification. The mean IOP at 1 and 3 months after ripasudil administration were significantly reduced by −1.7 ± 1.9 mmHg (p < 0.0001) and −1.3 ± 2.3 mmHg (p = 0.0081) in the ripasudil group, respectively, but IOP in the control group was not significantly reduced. The IOP reduction was significantly associated with the IOP before ripasudil treatment (p < 0.001). In conclusion, the use of ripasudil for patients with OAG after circumferential incision of the Schlemm’s canal produced significant IOP reductions. Ripasudil may affect the distal outflow tract, thereby leading to the IOP reduction.

scholarly journals Effect of postoperative corticosteroids on surgical outcome and aqueous autotaxin following combined cataract and microhook ab interno trabeculotomy

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Megumi Honjo ◽  
Reiko Yamagishi ◽  
Nozomi Igarashi ◽  
Chui Yong Ku ◽  
Makoto Kurano ◽  
...  
Keyword(s):  
Surgical Outcome ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Case Series ◽  
Iop Elevation ◽  
Immunoenzymatic Assay ◽  
Postoperative Fibrosis ◽  
Ab Interno

AbstractTo evaluate the effect of postoperative corticosteroids on surgical outcome and autotaxin (ATX) levels after microhook ab interno trabeculotomy combined with cataract surgery (μLOT-CS), prospective, consecutive non-randomized case series comparing outcomes of 30 eyes with primary open angle glaucoma was performed. The aqueous ATX, intraocular pressure (IOP) and glaucoma medications were monitored for 3 months postoperatively. An in-vivo mouse μLOT model was generated. In vitro, ATX and fibrotic changes induced by dexamethasone (Dex) treatment following scratch (S) in cultured human trabecular meshwork (hTM) cells were assessed by immunofluorescence, immunoenzymatic assay, and RT-qPCR. Postoperative ATX at 1 week and the number of antiglaucoma medications at 3 months were significantly lower in non-steroid group, and steroid use was the only variable significantly associated with postoperative medications at 3 months in multiregression analyses. In vitro, ATX activity was significantly upregulated in the Dex + S group, and αSMA was significantly upregulated in the Dex and Dex + S groups. Fibronectin and COL1A1 were significantly upregulated in the S group. μLOT-CS decreased IOP and medications in the overall cohort, and non-use of postoperative steroids resulted in a smaller number of postoperative medications. Limiting postoperative steroids in μLOT may minimize IOP elevation and postoperative fibrosis.

scholarly journals Impact of failed ab-interno trabeculectomy (trabectome) on subsequent XEN45 gel stent implantation in pseudophakic eyes

2021 ◽  
Author(s):  
D. Kiessling ◽  
C. Rennings ◽  
M. Hild ◽  
A. Lappas ◽  
T. S. Dietlein ◽  
...  
Keyword(s):  
Stent Implantation ◽  
Open Angle Glaucoma ◽  
Control Group ◽  
Repeat Surgery ◽  
Medication Score ◽  
Significant Difference ◽  
Ab Interno Trabeculectomy ◽  
The Impact ◽  
Ab Interno

Abstract Purpose To determine the impact of failed ab-interno trabeculectomy on the postoperative outcome of subsequent XEN45 gel stent (Allergan, CA, USA) implantation in pseudophakic eyes. Methods In this retrospective single-center study, we included 60 pseudophakic eyes from 60 participants who underwent XEN45 gel stent implantation. Thirty eyes each underwent primary stent implantation (control group) or had previously undergone a failed ab-interno trabeculectomy (trabectome group). The groups were matched at a 1:1 ratio based on the following criteria: preoperative and maximum Intraocular pressure (IOP), preoperative medication score, cup/disk-ratio, follow-up time, best-corrected visual acuity at baseline, age, and the proportion of patients classified as primary open angle glaucoma or exfoliation glaucoma. We defined a successful surgery by the following three scores: an IOP reduction > 20% and IOP at the longest follow-up < 21 mmHg (Score A) or < 18 mmHg (Score B) or IOP ≤ 15 mmHg and an IOP reduction ≥ 40% (Score C). One open conjunctival revision was allowed in all scores, and a repeat surgery was considered a failure. Results Following an average follow-up period of 22 ± 12 months, we observed a mean IOP reduction of 38%, from 23.5 ± 5.2–14.5 ± 5.0 mmHg. Comparative analyses between the groups did not reveal a significant difference in the postoperative IOP, postoperative medication score, side effects, revision rate, repeat surgery rate, or success rate. Conclusions Trabectome is a viable first-line procedure for medically uncontrolled glaucoma before filtering ab-interno microstent surgery is considered.

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