Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS

Abstract Optical opacity reduces quality of biometry images, making it potentially difficult to find the correct location for irradiation during femtosecond laser-assisted cataract surgery (FLACS). After experiencing a case of posterior capsule (PC) rupture because of optical opacity, we started len...

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Autores principales: Mei Kurosawa, Hiroshi Horiguchi, Takuya Shiba, Tadashi Nakano
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Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/b3428de8b3ad436bb64b5766a8a9bce2
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spelling oai:doaj.org-article:b3428de8b3ad436bb64b5766a8a9bce22021-12-02T14:49:26ZInspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS10.1038/s41598-021-89209-02045-2322https://doaj.org/article/b3428de8b3ad436bb64b5766a8a9bce22021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89209-0https://doaj.org/toc/2045-2322Abstract Optical opacity reduces quality of biometry images, making it potentially difficult to find the correct location for irradiation during femtosecond laser-assisted cataract surgery (FLACS). After experiencing a case of posterior capsule (PC) rupture because of optical opacity, we started lens thickness (LT) inspection, which indicates comparison of between intra- and pre-operatively measured LT. We retrospectively investigated the effectiveness of the LT inspection. One observer reviewed all FLACS treatment summaries for 3 years by CATALYS in the Jikei University Hospital, Tokyo. Based on the lines defining the PC on intraoperative OCT images, all cases were classified into three groups: undescribed, appropriate and inappropriate PC. Among the 1070 cases, 1047 cases had appropriate PC. In 19 cases, the PC line was undescribed because of dense cataract. Among 474 cases with no inspection, 4 cases had an inappropriate PC. Whereas, in 596 cases with the LT inspection, there was no case of an inappropriate PC. LT inspection significantly reduced the cases with inappropriate PC. The safety margins normally work to prevent severe complications. However, rare outlier cases had a high risk of severe complications. We propose LT inspection could be the most practical and convenient way for safety surgery.Mei KurosawaHiroshi HoriguchiTakuya ShibaTadashi NakanoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Mei Kurosawa
Hiroshi Horiguchi
Takuya Shiba
Tadashi Nakano
Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
description Abstract Optical opacity reduces quality of biometry images, making it potentially difficult to find the correct location for irradiation during femtosecond laser-assisted cataract surgery (FLACS). After experiencing a case of posterior capsule (PC) rupture because of optical opacity, we started lens thickness (LT) inspection, which indicates comparison of between intra- and pre-operatively measured LT. We retrospectively investigated the effectiveness of the LT inspection. One observer reviewed all FLACS treatment summaries for 3 years by CATALYS in the Jikei University Hospital, Tokyo. Based on the lines defining the PC on intraoperative OCT images, all cases were classified into three groups: undescribed, appropriate and inappropriate PC. Among the 1070 cases, 1047 cases had appropriate PC. In 19 cases, the PC line was undescribed because of dense cataract. Among 474 cases with no inspection, 4 cases had an inappropriate PC. Whereas, in 596 cases with the LT inspection, there was no case of an inappropriate PC. LT inspection significantly reduced the cases with inappropriate PC. The safety margins normally work to prevent severe complications. However, rare outlier cases had a high risk of severe complications. We propose LT inspection could be the most practical and convenient way for safety surgery.
format article
author Mei Kurosawa
Hiroshi Horiguchi
Takuya Shiba
Tadashi Nakano
author_facet Mei Kurosawa
Hiroshi Horiguchi
Takuya Shiba
Tadashi Nakano
author_sort Mei Kurosawa
title Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
title_short Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
title_full Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
title_fullStr Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
title_full_unstemmed Inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during FLACS
title_sort inspection of the lens thickness with preoperative biometric measurements prevents an erroneous interpretation of posterior capsule during flacs
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/b3428de8b3ad436bb64b5766a8a9bce2
work_keys_str_mv AT meikurosawa inspectionofthelensthicknesswithpreoperativebiometricmeasurementspreventsanerroneousinterpretationofposteriorcapsuleduringflacs
AT hiroshihoriguchi inspectionofthelensthicknesswithpreoperativebiometricmeasurementspreventsanerroneousinterpretationofposteriorcapsuleduringflacs
AT takuyashiba inspectionofthelensthicknesswithpreoperativebiometricmeasurementspreventsanerroneousinterpretationofposteriorcapsuleduringflacs
AT tadashinakano inspectionofthelensthicknesswithpreoperativebiometricmeasurementspreventsanerroneousinterpretationofposteriorcapsuleduringflacs
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