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After obtaining informed consent each patient underwent OCT examination, usually one day before elective orthopaedic surgery (knee replacement). The OCT examination was repeated after the surgery. Both eyes were examined separately. After obtaining data the investigators compared the difference.
Inclusion and exclusion criteria evaluated during the pre-anesthesia visit. After obtaining informed consent, patients were referred to OCT examination in the Ophthalmology clinic. The examination was performed in the 48 hours before the surgery. Between the fourth and the seventh postoperative day, the patients underwent control OCT examination. The results of OCT examinations, baseline clinical data and the data on the course of surgery and postoperative care were recorded for further analysis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| OCT Arm | Experimental | Each patient underwent OCT examinations. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Optical Coherence Tomography | Diagnostic Test | Every patient underwent OCT examination before and after surgery. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Retinal changes | Patients undergo OCT (Optical Coherence Tomography) examination of both eyes before and after the surgery. | 4.-7. day post surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20007988 | Background | Roth S. Perioperative visual loss: what do we know, what can we do? Br J Anaesth. 2009 Dec;103 Suppl 1(Suppl 1):i31-40. doi: 10.1093/bja/aep295. | |
| 29018702 | Background | Gupta D, Asrani S. Macular thickness analysis for glaucoma diagnosis and management. Taiwan J Ophthalmol. 2016 Jan-Mar;6(1):3-7. doi: 10.1016/j.tjo.2016.01.003. Epub 2016 Feb 28. |
| Label | URL |
|---|---|
| OCT in clinical practice | View source |
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| ID | Term |
|---|---|
| D041623 | Tomography, Optical Coherence |
| ID | Term |
|---|---|
| D041622 | Tomography, Optical |
| D061848 | Optical Imaging |
| D003952 | Diagnostic Imaging |
| D019937 | Diagnostic Techniques and Procedures |
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| 33885047 | Derived | Parizek T, Skulec R, Liehneova I, Prasek P, Cerny V. No significant retinal damage induced by major orthopedic surgery - a pilot study. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2022 May;166(2):217-221. doi: 10.5507/bp.2021.022. Epub 2021 Apr 19. |
| D003933 | Diagnosis |
| D014054 | Tomography |
| D008919 | Investigative Techniques |