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Soleimani M, Haydar AA, Cheraqpour K, Zeidabadinejad H, Esfandiari A, Eshaghhosseiny N, Shahmohammadi A, Banz S, Djalilian AR. In praise of povidone-iodine application in ophthalmology. Surv Ophthalmol 2023:S0039-6257(23)00143-1. [PMID: 37944600 DOI: 10.1016/j.survophthal.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/26/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023]
Abstract
Polyvinyl pyrrolidone or povidone-iodine (PVP-I) is a water-soluble complex formed by the combination of iodine and a water-soluble polymer, polyvinyl pyrrolidone. This complex exerts bactericidal, fungicidal, and virucidal action by gradually releasing free iodine at the site of application to react with pathogens. In ophthalmology, PVP-I is used as a disinfectant and antiseptic agent for preoperative preparation of the skin and mucous membranes and for treating contaminated wounds. PVP-I has been shown to reduce effectively the risk of endophthalmitis in various ocular procedures, including cataract surgery and intravitreal injections; however, it has also been used in the treatment of conjunctivitis, keratitis, and endophthalmitis, with promising results especially in low-resource situations. PVP-I has been associated with complications such as postoperative eye pain, persistent corneal epithelial defects, ocular inflammation, and an attendant risk of keratitis. In cases of poor PVP-I tolerance, applying PVP-I at lower concentrations or using alternative antiseptics such as chlorhexidine should be considered. We provide an update on the efficacy of PVP-I in the prophylaxis and treatment of conjunctivitis, keratitis, and endophthalmitis and a comprehensive analysis of the current literature regarding the use of PVP-I in the management of these ocular conditions. Also, PVP-I-related adverse effects and toxicities and its alternatives are discussed. The goal is to present a thorough evaluation of the available evidence and to offer practical recommendations for clinicians regarding the therapeutic usage of PVP-I in ophthalmology.
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Affiliation(s)
- Mohammad Soleimani
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran; Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA.
| | - Ali A Haydar
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | - Kasra Cheraqpour
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | - Haniyeh Zeidabadinejad
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | - Amirreza Esfandiari
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | | | | | - Soraya Banz
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA; University of Edinburgh, UK.
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA.
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Peripheral Ulcerative Keratitis: Management. CURRENT OPHTHALMOLOGY REPORTS 2022. [DOI: 10.1007/s40135-022-00301-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Zhao Z, Lv D, Zhang B, Yong L, Zhang R, Wang X. Efficacy of Human-Recombinant Epidermal Growth Factor Combined with Povidone-Iodine for Pressure Ulcers and Its Influence on Inflammatory Cytokines. Mediators Inflamm 2022; 2022:3878320. [PMID: 36060926 PMCID: PMC9436609 DOI: 10.1155/2022/3878320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/26/2022] [Indexed: 11/26/2022] Open
Abstract
Purpose To determine the clinical efficacy of recombinant human epidermal growth factor (rh-EGF) combined with povidone-iodine (PVI) on patients with pressure ulcers (PUs). Methods One hundred and five PU patients treated between January 2018 and January 2021 were enrolled and retrospectively analyzed. Of them, 50 patients who received conventional treatment were assigned to the control group (Con group), while 55 patients treated with rh-EGF combined with PVI were assigned to the observation group (Obs group). The two groups were compared in clinical efficacy, PU alleviation (total area reduction rate, total depth reduction rate, and total volume reduction rate), healing time, pain degree (Visual Analog Scale [VAS] score), inflammatory indexes (interleukin-8 [IL-8], tumor necrosis factor-α [TNF-α], and hypersensitive C reactive protein [hs-CRP]), and hydroxyproline content in the wound. Results The Obs group yielded a higher total effective rate than the Con group (P < 0.05). The Obs group also experienced statistically shorter healing time and milder pain, with better PU alleviation and lower levels of inflammation indexes compared with the Con group (all P < 0.05). In addition, a higher hydroxyproline content in the wound was found in the Obs group. Conclusions All in all, rh-EGF combined with PVI has a definite curative effect on patients with PUs. It can promote PU alleviation and hydroxyproline secretion in the wound and inhibit pain and inflammatory reactions, which is worthy of clinical promotion.
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Affiliation(s)
- Zunjiang Zhao
- Department of Burns and Plastic Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241004 Anhui, China
- Department of Burns and Plastic Surgery, Lu'an People's Hospital, Anhui Medical University, Lu'an, 237005 Anhui, China
| | - Dalun Lv
- Department of Burns and Plastic Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241004 Anhui, China
| | - Baode Zhang
- Department of Burns and Plastic Surgery, Lu'an People's Hospital, Anhui Medical University, Lu'an, 237005 Anhui, China
| | - Liu Yong
- Department of Burns and Plastic Surgery, Lu'an People's Hospital, Anhui Medical University, Lu'an, 237005 Anhui, China
| | - Rongtao Zhang
- Department of Burns and Plastic Surgery, Lu'an People's Hospital, Anhui Medical University, Lu'an, 237005 Anhui, China
| | - Xiukun Wang
- Department of Burns and Plastic Surgery, Lu'an People's Hospital, Anhui Medical University, Lu'an, 237005 Anhui, China
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Pedrotti E, Bonacci E, Kilian R, Pagnacco C, Fasolo A, Anastasi M, Manzini G, Bosello F, Marchini G. The Role of Topical Povidone-Iodine in the Management of Infectious Keratitis: A Pilot Study. J Clin Med 2022; 11:jcm11030848. [PMID: 35160298 PMCID: PMC8837158 DOI: 10.3390/jcm11030848] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
The aim of this prospective explorative study was to evaluate the safety and the effectiveness of topical polyvinylpyrrolidone-iodine (PVP-I) administered during the time-to-results period for pathogen identification and susceptibility testing in patients with infectious keratitis (IK). A corneal swab (CS) for antimicrobial evaluation was performed at enrollment (T0) and topical 0.66%-PVP-I was administered until the laboratory results were available (T1). Ulcer and infiltrate areas and infiltrate depths were compared between T0 and T1 (i.e., time-to-result period). Patients were then shifted to a specific antimicrobial therapy and followed up until resolution of their infiltrates (Tlast-TL). Twenty-five eyes were enrolled, and none showed clinical worsening leading to protocol withdrawal. At T1, ulcer and infiltrate areas showed significant improvement in Gram-positive IK (n = 13–52%; p = 0.027 and p = 0.019, respectively), remained stable in fungal IK (n = 5–20%; both p = 0.98) and increased in those with Gram-negative bacteria (n = 4–16%; p = 0.58 and p = 0.27). Eyes with negative cultures (n = 3–12%) showed complete resolution at T1 and did not initiate any additional antimicrobial therapy. The administration of 0.66% PVP-I during the time-to-result period seems to be a safe strategy in patients with IK while often sparing broad-spectrum antimicrobial agents. In addition, it showed to be effective in eyes with a Gram-positive bacterial infection.
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Affiliation(s)
- Emilio Pedrotti
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Erika Bonacci
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Raphael Kilian
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
- Correspondence:
| | - Camilla Pagnacco
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Adriano Fasolo
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
- Research Center, The Veneto Eye Bank Foundation, 30174 Venezia, Italy
| | - Marco Anastasi
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Gessica Manzini
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Francesca Bosello
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
| | - Giorgio Marchini
- Ophthalmic Unit, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37129 Verona, Italy; (E.P.); (E.B.); (C.P.); (A.F.); (M.A.); (G.M.); (F.B.); (G.M.)
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Effectiveness of 0.66% Povidone-Iodine Eye Drops on Ocular Surface Flora before Cataract Surgery: A Nationwide Microbiological Study. J Clin Med 2021; 10:jcm10102198. [PMID: 34069600 PMCID: PMC8160713 DOI: 10.3390/jcm10102198] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 05/10/2021] [Accepted: 05/14/2021] [Indexed: 01/04/2023] Open
Abstract
A multicenter, nonrandomized, prospective, controlled study was conducted to evaluate, as perioperative prophylactic treatment, the anti-infective effectiveness of 0.66% povidone-iodine eye drops (IODIM®) against the bacterial flora of the conjunctival surface of patients who undergo cataract surgery. Eye drops containing 0.66% povidone-iodine were applied to the eye undergoing cataract surgery; the untreated contralateral eye was used as control. One hundred and twenty patients set to receive unilateral cataract surgery were enrolled in 5 Italian Ophthalmology Centers and pretreated for three days with 0.66% povidone-iodine eye drops. The contralateral eye, used as control, was left untreated. Conjunctival swabs of both eyes were collected at the baseline visit and after three days of treatment, just before the cataract surgery. A qualitative and quantitative microbiological analysis of bacterial presence was evaluated by means of bacterial culture, followed by identification. Methicillin resistance determination was also performed on staphylococci isolates. Bacterial load before and after treatment of the eye candidate for cataract surgery was evaluated and compared to the untreated eye. A reduction or no regrowth on the culture media of the bacterial load was observed in 100% of the study subjects. A great heterogenicity of bacterial species was found. The 0.66% povidone-iodine eye drops, used for three days prior to cataract surgery, were effective in reducing the conjunctival bacterial load. The 0.66% povidone-iodine eye drops (IODIM®) might represent a valid perioperative prophylactic antiseptic adjuvant treatment to protect the ocular surface from microbial contamination in preparation of the surgical procedure.
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