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  • Title: Purtscher's and Purtscher-like retinopathy etiology, features, management, and outcomes: A summative systematic review of 168 cases.
    Author: Serhan HA, Abuawwad MT, Taha MJJ, Hassan AK, Abu-Ismail L, Delsoz M, Alrawashdeh HM, Alkorbi HA, Moushmoush O, Elnahry AG.
    Journal: PLoS One; 2024; 19(9):e0306473. PubMed ID: 39240905.
    Abstract:
    BACKGROUND: To describe Purtscher's and Purtscher-like retinopathy clinical features, etiologies, management options, and visual outcomes. METHODS: Our protocol was registered on PROSPERO [registration number: CRD42023406843]. Seven online databases were searched: PubMed, Scopus, Medline, ScienceDirect, CENTRAL, clinicaltrials.gov, and Google Scholar. Original articles were included if they reported at least one subject diagnosed with Purtscher's or Purtscher-like retinopathy. The primary outcome is to describe the clinical features of Purtscher and Purtscher-like retinopathies, including etiologies, results of related investigations, management lines, and visual outcomes. All analyses were conducted with the use of Statistical Package for Social Sciences (SPSS) version 27 (IBM SPSS Corp, SPSS Statistics ver. 26, USA) and Cochrane's RevMan software. The methodological quality of included studies was assessed using the NIH quality assessment tools. RESULTS: A total of 114 articles were included, describing 168 cases of Purtscher's and Purtscher-like retinopathy. Patients were evenly distributed between males (50.89%) and females (49.11%). Average age of patients was 34.62 years old. Trauma was the leading cause of retinopathy, being reported in 39.88% of our patients, followed by systemic lupus erythematosus (SLE) (13.1%) and acute pancreatitis (11.9%). Bilateral symptoms were reported in 57.7% of patients with centrally blurred vision being the most complained symptom (OS: 34.32% and OD: 18%). 75% of patients elicited bilateral retinal findings. Cotton-wool spots were of highest prevalence (58%). Purtscher flecken was seen in 53% of patients. Macular edema was seen in 13% of patients. Overall, patients had a favorable prognosis (53%). CONCLUSION: Purtscher's and Purtscher-like retinopathies are rare sight-threatening retinopathies that develop most commonly following trauma or other systemic diseases as SLE and acute pancreatitis. Little data is available regarding these conditions, and available data is of low quality. Patients develop bilateral disease in approximately 50% of cases, and several retinal findings are observed, with no specific tendency. Most observed signs are cotton-wool spots in around 55% of patients and Purtscher flecken in 51% of patients. Patients spontaneously recovered, although data is not conclusive. No clear prognostic value of etiological factors is identified, and further research is required in this regard.
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