Publications by authors named "Kaplan F"

Background: Core curricula do not include courses on how to find employment after hand fellowships. Little data exists in literature regarding job selection in hand surgery. This study's purpose was to provide information to future hand surgeons on ways of finding a job that meets their expectations and to elucidate factors that should be considered before deciding on a hand practice.

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Objective: This study was conducted to evaluate the relationship between the frequency of spiritual care and job satisfaction of palliative care nurses.

Methods: This study was a cross-sectional type. The study population consisted of nurses working in palliative care units of three hospitals in eastern Turkey.

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Purpose: Air as a tamponade in pars plana vitrectomy (PPV) is increasingly preferred due to its quick rehabilitation time. We aim to examine the factors affecting the absorption time of air tamponade.

Method: The study included 82 eyes from 78 patients who underwent PPV with air used as the tamponade.

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Purpose: The aim of this study is to investigate the effect of vitreomacular interface disorders (VMID) on treatment response in patients treated with anti-vascular endothelial growth factor (anti-VEGF) due to diabetic macular edema (DME).

Methods: Three hundred seventy-seven eyes of 239 patients in the MARMASIA Study Group who received intravitreal anti-VEGF treatment (IVT) due to DME were included in the study. The group 1 consisted of 44 eyes of the patients who had not received any treatment before, were followed up regularly for 24 months after at least a 3-month loading dose, and suffered from VMID such as epiretinal membrane, vitreomacular adhesion or traction, and lamellar hole.

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Article Synopsis
  • * The ACVR1 mutations disrupt normal bone growth and influence various bodily systems, including inflammation, wound healing, and pain sensitivity.
  • * The article discusses the complex features of FOP, suggests ways to address these symptoms, and identifies critical gaps in current knowledge about the disorder.
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Purpose: This study aimed to compare the effect of intravitreal aflibercept (IVA) and ranibizumab (IVR) on the maximal diameter of the largest intraretinal cyst (mdIRC), indicating chronicity in patients with diabetic cystoid macular edema (CME).

Methods: This retrospective, comparative study included a subgroup of patients from the MARMASIA Study with treatment-naïve diabetic CME who had IVA (IVA group) or IVR (IVR group) on a pro re nata regimen after a loading dose of 3-monthly injections and followed-up for 24 months. Best-corrected visual acuity (logMAR), central macular thickness (CMT, µm), and mdIRC (µm) and their changes during the study period in the IVA and IVR groups were compared.

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  • Fibrodysplasia ossificans progressiva (FOP) is a rare disorder causing painful flare-ups and abnormal bone growth, known as heterotopic ossification (HO).
  • In a clinical trial, patients receiving the anti-activin A antibody garetosmab experienced fewer severe and lengthy flare-ups compared to those given a placebo, leading to a notable difference in quality of life.
  • The study found that 71% of placebo patients had flare-ups linked to new HO lesions, while garetosmab reduced the severity, duration, and frequency of these flare-ups throughout the trial.
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Article Synopsis
  • - The text discusses how studying the genetic disease fibrodysplasia ossificans progressiva (FOP) helps us understand abnormal bone formation, particularly focusing on the disease's main symptom, heterotopic ossification (HO), and its underlying molecular pathways.
  • - It notes that FOP is identifiable by skeletal abnormalities such as malformed great toes, joint malformations, and other physical characteristics that arise from specific genetic mutations in the ACVR1 gene.
  • - The review aims to elaborate on the molecular mechanisms behind FOP's developmental issues while highlighting the importance of understanding ACVR1 signaling in improving patient care and advancing research in bone and joint biology.
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Purpose: This study aimed to report pain during and following injection for trigger finger as well as failure to resolve triggering. We hypothesized that a corticosteroid injection alone would be equally or less painful compared with the standard combination of corticosteroid and lidocaine for the treatment of trigger fingers, and there would be no difference in the resolution of triggering.

Methods: Our study was a prospective, single-blinded, randomized controlled trial at a single institution, comprising 76 patients with a diagnosis of trigger finger.

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Article Synopsis
  • The study aimed to assess how different patterns of diabetic macular edema (DME) respond to intravitreal injection therapies, particularly ranibizumab and aflibercept, over a 12-month period.
  • Participants were categorized into four groups based on their OCT features, and their visual acuity and central macular thickness were measured at baseline and after 3, 6, and 12 months.
  • Results showed no significant differences in visual acuity improvement or the number of injections needed among the groups, but group 4 had the highest baseline central macular thickness and the most significant reduction in thickness by month 12.
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Background: Home care patients experience great difficulty in fulfilling their daily activities. One of these difficulties is related to urinary excretion. It is necessary for individuals to possess self-efficacy as well as self-confidence in order to be able to perform self-administered clean intermittent catheterisation (CIC).

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  • Anthrax is a rare disease caused by the bacterium Bacillus anthracis, with cutaneous anthrax being the most common form.
  • A case study of a nine-year-old boy with anthrax on his left eyelids showed rapid progression from a papular reaction to necrosis and eschar formation.
  • Treatment with antibiotics like ciprofloxacin and clindamycin led to a positive clinical response, highlighting the importance of early diagnosis and treatment to prevent complications like scarring and deformity.
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Article Synopsis
  • Heterotopic ossification (HO) is the abnormal formation of bone outside the usual skeleton, caused by genetic mutations or acquired factors like injury and aging.
  • Fibrodysplasia ossificans progressiva (FOP) is the most severe genetic form of HO, linked to specific mutations and characterized by relentless progression.
  • Cellular senescence, a key feature of aging that contributes to HO, may present new treatment opportunities by targeting these senescent cells for both FOP and acquired HO.
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Maintenance of an aggregated population structure implies within-species communication. In mixed-species environments, species-specific aggregations may reduce interspecific competition and promote coexistence. We studied whether movement and aggregation behavior of three entomopathogenic nematode species changed when isolated, as compared to mixed-species arenas.

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Single case studies of extraordinary disease resilience may provide therapeutic insight into conditions for which no definitive treatments exist. An otherwise healthy 35-year-old man (patient-R) with the canonical pathogenic ACVR1R206H variant and the classic congenital great toe malformation of fibrodysplasia ossificans progressiva (FOP) had extreme paucity of post-natal heterotopic ossification (HO) and nearly normal mobility. We hypothesized that patient-R lacked a sufficient post-natal inflammatory trigger for HO.

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Background: Studies comparing carpal tunnel release with ultrasound guidance (CTR-US) to mini-open CTR (mOCTR) are limited. This randomized trial compared the efficacy and safety of these techniques.

Methods: In this multicenter randomized trial, patients were randomized (2:1) to unilateral CTR-US or mOCTR.

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Fibrodysplasia ossificans progressiva (FOP; MIM# 135100) is an ultra-rare congenital disorder caused by gain-of-function point mutations in the Activin receptor A type I (, also known as ) gene. FOP is characterized by episodic heterotopic ossification (HO) in skeletal muscles, tendons, ligaments, or other soft tissues that progressively causes irreversible loss of mobility. FOP mutations cause mild ligand-independent constitutive activation as well as ligand-dependent bone morphogenetic protein (BMP) pathway hypersensitivity of mutant ACVR1.

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Consistent efficacy is required for entomopathogenic nematodes to gain wider adoption as biocontrol agents. Recently, we demonstrated that when exposed to nematode pheromone blends, entomopathogenic nematodes showed increased dispersal, infectivity, and efficacy under laboratory and greenhouse conditions. Prior to this study, the impact of entomopathogenic nematode-pheromone combinations on field efficacy had yet to be studied.

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Objectives: This study aimed to report the demographic and clinical characteristics of diabetic macular edema (DME) patients treated with intravitreal injection (IVI) of anti-vascular endothelial growth factors (anti-VEGF) and provide an overview of outcomes during routine clinical practice in Türkiye.

Materials And Methods: This retrospective, real-world study included 1,372 eyes (854 patients) treated with a pro re nata protocol by 21 ophthalmologists from 8 tertiary clinics on the Asian side of the Marmara region of Türkiye (MARMASIA Study Group). Five cohort groups were established by collecting the patients' baseline and 3, 6, 12, 24, and 36-month follow-up data, where each subsequent cohort may include the previous.

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Article Synopsis
  • The background discusses the challenges of designing clinical trials for ultra-rare diseases like Fibrodysplasia ossificans progressiva (FOP) and highlights the role of palovarotene, a selective retinoic acid receptor gamma agonist, in this research.
  • The methods outline three key studies: a natural history study (PVO-1A-001), a randomized phase II trial (PVO-1A-201), and its open-label extension (PVO-1A-202), detailing their designs, treatment regimens, and assessment of disease progression and flare-up outcomes.
  • The results emphasized the recruitment of participants, with significant insights reported from the studies on the suitability of endpoints and the effectiveness of imaging
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Article Synopsis
  • - Fibrodysplasia ossificans progressiva (FOP) is a rare condition that causes painful heterotopic ossification in connective tissues, leading to disability.
  • - In the LUMINA-1 phase 2 trial, adults with FOP were given either garetosmab (an activin A-blocking antibody) or a placebo over two 28-week periods, focusing on safety and effects on HO lesions.
  • - Although the primary efficacy endpoint was not met in the first period, garetosmab significantly reduced the development of new HO lesions in the second period compared to placebo, with ongoing investigations into its effectiveness.
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Fibrodysplasia ossificans progressiva (FOP) is an ultra-rare genetic disorder characterized by progressive disabling heterotopic ossification (HO) at extra-skeletal sites. Here, we developed adeno-associated virus (AAV)-based gene therapy that suppresses trauma-induced HO in FOP mice harboring a heterozygous allele of human () while limiting the expression in non-skeletal organs such as the brain, heart, lung, liver, and kidney. AAV gene therapy carrying the combination of codon-optimized human ACVR1 (ACVR1) and artificial miRNAs targeting Activin A and its receptor ACVR1 ablated the aberrant activation of BMP-Smad1/5 signaling and the osteogenic differentiation of skeletal progenitors.

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Although structurally similar to type II counterparts, type I or activin receptor-like kinases (ALKs) are set apart by a metastable helix-loop-helix (HLH) element preceding the protein kinase domain that, according to a longstanding paradigm, serves passive albeit critical roles as an inhibitor-to-substrate-binding switch. A single recurrent mutation in the codon of the penultimate residue, directly adjacent the position of a constitutively activating substitution, causes milder activation of ACVR1/ALK2 leading to sporadic heterotopic bone deposition in patients presenting with fibrodysplasia ossificans progressiva, or FOP. To determine the protein structural-functional basis for the gain of function, R206H mutant, Q207D (aspartate-substituted caALK2) and HLH subdomain-truncated (208 Ntrunc) forms were compared to one another and the wild-type enzyme through in vitro kinase and protein-protein interaction analyses that were complemented by signaling read-out (p-Smad) in primary mouse embryonic fibroblasts and S2 cells.

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Purpose: The aim of our study is to evaluate the relationship between iron deficiency anemia (IDA), which is a common and often chronic condition in young women, and the optical coherence tomography (OCT) findings, which have become an indispensable part of ophthalmology practice. We aim to identify a new biomarker for anemia evaluation by demonstrating the morphological changes in the eye before and after iron replacement treatment through OCT findings.

Methods: 70 eyes of 35 patients diagnosed with IDA and planned to have parenteral iron replacement were included in the study.

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Aims: This study aims to compare the effectiveness of treatment between anti-vascular endothelial growth factor (anti-VEGF) agents in diabetic macular edema (DME) patients with disorganization of retinal inner layers (DRIL). Epiretinal membrane, serous macular detachment, ellipsoid zone (EZ) disorder, external limiting membrane (ELM) disorder, and hyperreflective foci were also examined.

Methods: Patients treated for DME and also had DRIL were included in the study.

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