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Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation
Purpose The goal of this study was to compare the settings and effectiveness of the original P3 and revised P3 probes for micropulse transscleral cyclophotocoagulation. Methods This retrospective cross sectional study includes a total of 56 patients with glaucoma who received micropulse transscleral...
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| Published in: | Lasers in medical science 2024-05, Vol.39 (1), p.136-136, Article 136 |
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| container_end_page | 136 |
| container_issue | 1 |
| container_start_page | 136 |
| container_title | Lasers in medical science |
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| creator | Hadjokas, Nicholas Dosakayala, Neelima Alpert, Samuel Ganapathy, Preethi Fechtner, Robert |
| description | Purpose
The goal of this study was to compare the settings and effectiveness of the original P3 and revised P3 probes for micropulse transscleral cyclophotocoagulation.
Methods
This retrospective cross sectional study includes a total of 56 patients with glaucoma who received micropulse transscleral cyclophotocoagulation. 32 patients received treatment with the original P3 probe and 24 received treatment with the revised P3 probe. Success was defined as a 20% reduction in intraocular pressure. Laser settings, pre-op and post-op intraocular pressures, and pre-op and post-op medications were assessed.
Results
A 20% IOP reduction was achieved in 50% of patients in the original probe vs. 58.3% in the revised probe at one month (
P
= 0.536) and 71.9% vs. 50% at three months (
P
= 0.094), respectively. The revised P3 probe used higher values of power (2500 mW vs. 2023 mW,
P
|
| doi_str_mv | 10.1007/s10103-024-04086-z |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_3060372680</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>3060372680</sourcerecordid><originalsourceid>FETCH-LOGICAL-c256t-bf41f58fb64b11bccf06dd882fb56c4740c8b9337016bd1c9369fc793889175e3</originalsourceid><addsrcrecordid>eNp9kctu1jAQhS0Eohd4ARbIEhs2gXGcOM4SVQUqVeoCKnVn2c74r6skDrZTqV3x6LjNz0UsuhqPzjdnPDqEvGHwgQF0HxMDBryCuqmgASmq-2fkkDW8rQQ0V8__eR-Qo5RuAFgnGH9JDrjs-rau5SH5-Q1z9vMuUT0PFJ1Dm_0tzpgSDY7ma6QRb33CgS4xGKQ2TIuOpc3hUQ3R7_ysx73sQqSTtzEs65iQ5qjnlOyIsRD2zo5huQ452KB366izD_Mr8sLpgr7e12Ny-fn0-8nX6vziy9nJp_PK1q3IlXENc610RjSGMWOtAzEMUtbOtMI2XQNWmp7zDpgwA7M9F72zXc-l7FnXIj8m7zff8s8fK6asJp8sjqOeMaxJcRDAu1pIKOi7_9CbsMZy40ZBWQYPVL1R5diUIjq1RD_peKcYqId81JaPKvmox3zUfRl6u7dezYTDn5HfgRSAb0Aq0rzD-Hf3E7a_ANfJnmk</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>3060074000</pqid></control><display><type>article</type><title>Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation</title><source>Springer Link</source><creator>Hadjokas, Nicholas ; Dosakayala, Neelima ; Alpert, Samuel ; Ganapathy, Preethi ; Fechtner, Robert</creator><creatorcontrib>Hadjokas, Nicholas ; Dosakayala, Neelima ; Alpert, Samuel ; Ganapathy, Preethi ; Fechtner, Robert</creatorcontrib><description>Purpose
The goal of this study was to compare the settings and effectiveness of the original P3 and revised P3 probes for micropulse transscleral cyclophotocoagulation.
Methods
This retrospective cross sectional study includes a total of 56 patients with glaucoma who received micropulse transscleral cyclophotocoagulation. 32 patients received treatment with the original P3 probe and 24 received treatment with the revised P3 probe. Success was defined as a 20% reduction in intraocular pressure. Laser settings, pre-op and post-op intraocular pressures, and pre-op and post-op medications were assessed.
Results
A 20% IOP reduction was achieved in 50% of patients in the original probe vs. 58.3% in the revised probe at one month (
P
= 0.536) and 71.9% vs. 50% at three months (
P
= 0.094), respectively. The revised P3 probe used higher values of power (2500 mW vs. 2023 mW,
P
< 0.0001), total duration (217 s vs. 179 s,
P
< 0.0001), and energy (170 J vs. 113 J,
P
< 0.001). There was a significant decrease in IOP lowering meds with the original probe at one month (-0.9 +/- 1.5 vs. -0.0 +/- 0.7,
P
= 0.010), but this was not seen at three months.
Conclusions
There is no significant difference in IOP lowering effect between probes despite the revised probe using higher total energy. The original probe may be associated with fewer medications at 1 month, but not at 3 months. Further studies with longer follow up are needed to optimize the treatment parameters in order to maximize effectiveness while limiting side effects.</description><identifier>ISSN: 1435-604X</identifier><identifier>ISSN: 0268-8921</identifier><identifier>EISSN: 1435-604X</identifier><identifier>DOI: 10.1007/s10103-024-04086-z</identifier><identifier>PMID: 38795228</identifier><language>eng</language><publisher>London: Springer London</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Ciliary Body - surgery ; Cross-Sectional Studies ; Dentistry ; Effectiveness ; Energy ; Female ; Glaucoma ; Glaucoma - surgery ; Humans ; Intraocular pressure ; Intraocular Pressure - physiology ; Laser Coagulation - instrumentation ; Laser Coagulation - methods ; Lasers ; Male ; Medicine ; Medicine & Public Health ; Middle Aged ; Optical Devices ; Optics ; Original Article ; Photonics ; Probes ; Quantum Optics ; Retrospective Studies ; Sclera - surgery ; Side effects ; Treatment Outcome</subject><ispartof>Lasers in medical science, 2024-05, Vol.39 (1), p.136-136, Article 136</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag London Ltd., part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2024. The Author(s), under exclusive licence to Springer-Verlag London Ltd., part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c256t-bf41f58fb64b11bccf06dd882fb56c4740c8b9337016bd1c9369fc793889175e3</cites><orcidid>0000-0001-8646-0670</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38795228$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hadjokas, Nicholas</creatorcontrib><creatorcontrib>Dosakayala, Neelima</creatorcontrib><creatorcontrib>Alpert, Samuel</creatorcontrib><creatorcontrib>Ganapathy, Preethi</creatorcontrib><creatorcontrib>Fechtner, Robert</creatorcontrib><title>Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation</title><title>Lasers in medical science</title><addtitle>Lasers Med Sci</addtitle><addtitle>Lasers Med Sci</addtitle><description>Purpose
The goal of this study was to compare the settings and effectiveness of the original P3 and revised P3 probes for micropulse transscleral cyclophotocoagulation.
Methods
This retrospective cross sectional study includes a total of 56 patients with glaucoma who received micropulse transscleral cyclophotocoagulation. 32 patients received treatment with the original P3 probe and 24 received treatment with the revised P3 probe. Success was defined as a 20% reduction in intraocular pressure. Laser settings, pre-op and post-op intraocular pressures, and pre-op and post-op medications were assessed.
Results
A 20% IOP reduction was achieved in 50% of patients in the original probe vs. 58.3% in the revised probe at one month (
P
= 0.536) and 71.9% vs. 50% at three months (
P
= 0.094), respectively. The revised P3 probe used higher values of power (2500 mW vs. 2023 mW,
P
< 0.0001), total duration (217 s vs. 179 s,
P
< 0.0001), and energy (170 J vs. 113 J,
P
< 0.001). There was a significant decrease in IOP lowering meds with the original probe at one month (-0.9 +/- 1.5 vs. -0.0 +/- 0.7,
P
= 0.010), but this was not seen at three months.
Conclusions
There is no significant difference in IOP lowering effect between probes despite the revised probe using higher total energy. The original probe may be associated with fewer medications at 1 month, but not at 3 months. Further studies with longer follow up are needed to optimize the treatment parameters in order to maximize effectiveness while limiting side effects.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Ciliary Body - surgery</subject><subject>Cross-Sectional Studies</subject><subject>Dentistry</subject><subject>Effectiveness</subject><subject>Energy</subject><subject>Female</subject><subject>Glaucoma</subject><subject>Glaucoma - surgery</subject><subject>Humans</subject><subject>Intraocular pressure</subject><subject>Intraocular Pressure - physiology</subject><subject>Laser Coagulation - instrumentation</subject><subject>Laser Coagulation - methods</subject><subject>Lasers</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Original Article</subject><subject>Photonics</subject><subject>Probes</subject><subject>Quantum Optics</subject><subject>Retrospective Studies</subject><subject>Sclera - surgery</subject><subject>Side effects</subject><subject>Treatment Outcome</subject><issn>1435-604X</issn><issn>0268-8921</issn><issn>1435-604X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kctu1jAQhS0Eohd4ARbIEhs2gXGcOM4SVQUqVeoCKnVn2c74r6skDrZTqV3x6LjNz0UsuhqPzjdnPDqEvGHwgQF0HxMDBryCuqmgASmq-2fkkDW8rQQ0V8__eR-Qo5RuAFgnGH9JDrjs-rau5SH5-Q1z9vMuUT0PFJ1Dm_0tzpgSDY7ma6QRb33CgS4xGKQ2TIuOpc3hUQ3R7_ysx73sQqSTtzEs65iQ5qjnlOyIsRD2zo5huQ452KB366izD_Mr8sLpgr7e12Ny-fn0-8nX6vziy9nJp_PK1q3IlXENc610RjSGMWOtAzEMUtbOtMI2XQNWmp7zDpgwA7M9F72zXc-l7FnXIj8m7zff8s8fK6asJp8sjqOeMaxJcRDAu1pIKOi7_9CbsMZy40ZBWQYPVL1R5diUIjq1RD_peKcYqId81JaPKvmox3zUfRl6u7dezYTDn5HfgRSAb0Aq0rzD-Hf3E7a_ANfJnmk</recordid><startdate>20240525</startdate><enddate>20240525</enddate><creator>Hadjokas, Nicholas</creator><creator>Dosakayala, Neelima</creator><creator>Alpert, Samuel</creator><creator>Ganapathy, Preethi</creator><creator>Fechtner, Robert</creator><general>Springer London</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>K9.</scope><scope>L7M</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-8646-0670</orcidid></search><sort><creationdate>20240525</creationdate><title>Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation</title><author>Hadjokas, Nicholas ; Dosakayala, Neelima ; Alpert, Samuel ; Ganapathy, Preethi ; Fechtner, Robert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c256t-bf41f58fb64b11bccf06dd882fb56c4740c8b9337016bd1c9369fc793889175e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Ciliary Body - surgery</topic><topic>Cross-Sectional Studies</topic><topic>Dentistry</topic><topic>Effectiveness</topic><topic>Energy</topic><topic>Female</topic><topic>Glaucoma</topic><topic>Glaucoma - surgery</topic><topic>Humans</topic><topic>Intraocular pressure</topic><topic>Intraocular Pressure - physiology</topic><topic>Laser Coagulation - instrumentation</topic><topic>Laser Coagulation - methods</topic><topic>Lasers</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Original Article</topic><topic>Photonics</topic><topic>Probes</topic><topic>Quantum Optics</topic><topic>Retrospective Studies</topic><topic>Sclera - surgery</topic><topic>Side effects</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hadjokas, Nicholas</creatorcontrib><creatorcontrib>Dosakayala, Neelima</creatorcontrib><creatorcontrib>Alpert, Samuel</creatorcontrib><creatorcontrib>Ganapathy, Preethi</creatorcontrib><creatorcontrib>Fechtner, Robert</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Lasers in medical science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hadjokas, Nicholas</au><au>Dosakayala, Neelima</au><au>Alpert, Samuel</au><au>Ganapathy, Preethi</au><au>Fechtner, Robert</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation</atitle><jtitle>Lasers in medical science</jtitle><stitle>Lasers Med Sci</stitle><addtitle>Lasers Med Sci</addtitle><date>2024-05-25</date><risdate>2024</risdate><volume>39</volume><issue>1</issue><spage>136</spage><epage>136</epage><pages>136-136</pages><artnum>136</artnum><issn>1435-604X</issn><issn>0268-8921</issn><eissn>1435-604X</eissn><abstract>Purpose
The goal of this study was to compare the settings and effectiveness of the original P3 and revised P3 probes for micropulse transscleral cyclophotocoagulation.
Methods
This retrospective cross sectional study includes a total of 56 patients with glaucoma who received micropulse transscleral cyclophotocoagulation. 32 patients received treatment with the original P3 probe and 24 received treatment with the revised P3 probe. Success was defined as a 20% reduction in intraocular pressure. Laser settings, pre-op and post-op intraocular pressures, and pre-op and post-op medications were assessed.
Results
A 20% IOP reduction was achieved in 50% of patients in the original probe vs. 58.3% in the revised probe at one month (
P
= 0.536) and 71.9% vs. 50% at three months (
P
= 0.094), respectively. The revised P3 probe used higher values of power (2500 mW vs. 2023 mW,
P
< 0.0001), total duration (217 s vs. 179 s,
P
< 0.0001), and energy (170 J vs. 113 J,
P
< 0.001). There was a significant decrease in IOP lowering meds with the original probe at one month (-0.9 +/- 1.5 vs. -0.0 +/- 0.7,
P
= 0.010), but this was not seen at three months.
Conclusions
There is no significant difference in IOP lowering effect between probes despite the revised probe using higher total energy. The original probe may be associated with fewer medications at 1 month, but not at 3 months. Further studies with longer follow up are needed to optimize the treatment parameters in order to maximize effectiveness while limiting side effects.</abstract><cop>London</cop><pub>Springer London</pub><pmid>38795228</pmid><doi>10.1007/s10103-024-04086-z</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-8646-0670</orcidid></addata></record> |
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| identifier | ISSN: 1435-604X |
| ispartof | Lasers in medical science, 2024-05, Vol.39 (1), p.136-136, Article 136 |
| issn | 1435-604X 0268-8921 1435-604X |
| language | eng |
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| subjects | Adult Aged Aged, 80 and over Ciliary Body - surgery Cross-Sectional Studies Dentistry Effectiveness Energy Female Glaucoma Glaucoma - surgery Humans Intraocular pressure Intraocular Pressure - physiology Laser Coagulation - instrumentation Laser Coagulation - methods Lasers Male Medicine Medicine & Public Health Middle Aged Optical Devices Optics Original Article Photonics Probes Quantum Optics Retrospective Studies Sclera - surgery Side effects Treatment Outcome |
| title | Settings and effectiveness of the revised probe compared to the original probe for micropulse transscleral cyclophotocoagulation |
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