Publications by authors named "Kumar Keshav"

Purpose: Determine the rate of incidence, risk factors, and management for developing venous thromboembolism (VTE) in patients undergoing radiofrequency ablation (RFA) and ultrasound-guided foam sclerotherapy (UGFS) for varicose veins.

Methods: All charts of patients undergoing venous ablation from 2016 to 2023 were reviewed at a rural vein treatment clinic. The incidence of VTE was noted and a chart review was completed to identify risk factors for VTE, EHIT score, EFIT score, and management.

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  • * Epilepsy occurs in about 4%-7% of NF1 patients, with limited research exploring its connections to NF1 demographics and health outcomes.
  • * A study analyzing 4,635 NF1 patients found that those with epilepsy were primarily White males from lower-income backgrounds and identified several health issues that increase the likelihood of epilepsy in NF1 patients, leading to shorter hospital stays and fewer procedures.
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Background: Psoriasis is believed to be a common comorbidity of type 2 diabetes mellitus (T2DM). Little is known on the impact psoriasis has on T2DM patients' disease profiles.

Objective: To assess the impact psoriasis has on T2DM patients' demographics, comorbidities, and health care outcomes.

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Background And Objectives: Dolutegravir has been used as a first-line anti-human immunodeficiency virus drug because of its better efficacy compared with other counterpart medicines. However, making a unanimous decision on its use during pregnancy has become difficult for stakeholders following congenital anomalies reported with its use. The objective of this systematic review and meta-analysis was to study the risk of congenital anomalies in newborns exposed to dolutegravir-based-regimens compared with those exposed to non-dolutegravir-based regimens during the antenatal period.

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Purpose: To analyze the association between emergent surgery status and systemic adverse outcomes in patients undergoing open orbital floor blowout fracture repair.

Methods: This retrospective cohort analysis utilized the 2005-2018 National Surgery Quality Improvement Program (NSQIP) database. Current Procedural Terminology (CPT) codes were used to identify cases with open treatment of orbital floor blowout fractures (21385, 21386, 21387, 21390, 21395).

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Objective: The modified 5-item frailty index (mFI-5) is a comorbidity-based risk stratification tool previously validated in patients undergoing several surgical procedures. This study investigates the association between mFI-5 score and cricopharyngeal myotomy (CM) complications.

Study Design: Retrospective database review.

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Introduction: Gemini surfactants (GS) are an elite class of amphiphilic molecules that have shown up as a potential candidate in the field of drug delivery because of their exceptional physicochemical properties. They comprise two hydrophilic headgroups connected by an adaptable spacer and hydrophobic tails that has shown promising results in delivering different therapeutic agents to cancer cells at preclinical level. However further studies are in demand to unlock the full potential of GS in this field.

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Background Pelvic fractures caused by high-energy trauma, such as motor vehicle accidents or falls from a considerable height, commonly lead to sacral fractures. Approximately a quarter of sacral fractures are linked to neurological injury, and overlooking these fractures may result in neurological issues such as sexual dysfunction, hindered lower limb functionality, and urinary and rectal difficulties. The main goal of this study is to introduce our patient group who underwent either operative or nonoperative treatment for sacral fractures, with a follow-up period of one year, and assess their functional outcomes.

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  • Smoking significantly impacts postoperative outcomes for patients undergoing open Zenker's diverticulectomy, with smokers facing worse complications than non-smokers.
  • In a study of 715 patients, only 70 were smokers, who were generally younger and had a longer operative time compared to non-smokers.
  • Smokers had higher odds of experiencing a range of issues, including infections, complications, longer hospital stays, and the need for ventilation/intubation after surgery.
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Objective: The 5-item modified frailty index (mFI-5) has been used to stratify patients based on the risk of postoperative complications in several surgical procedures but has not yet been done in tracheostomies. This study investigates the association between the mFI-5 score and tracheostomy complications.

Study Design: Retrospective database review.

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Neurofibromatosis type 1 (NF1) is the most common neurocutaneous syndrome in the United States, affecting every 1 in 3000 individuals. NF1 occurs due to non-functional mutations in the NF1 gene, which expresses neurofibromin, a protein involved in tumour suppression. As a result, NF1 typically presents with non-cancerous neoplasm masses called neurofibromas across the body.

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  • The study explored the link between insulin-like growth factor-1 (IGF-1) levels in serum and seminal plasma and various semen characteristics in Beetal bucks.
  • A total of 12 bucks provided 72 ejaculates, which were assessed for sperm quality metrics like motility and viability, while blood samples were collected for IGF-1 evaluation.
  • Results showed a significant positive correlation between serum IGF-1 and several sperm quality parameters, highlighting its potential role in influencing semen characteristics, but a negative relationship with SOD was noted.
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Giant cell tumor (GCT) of the proximal femur poses various challenges in its management and recurrence. We present a rare case of GCT of proximal femur in which recurrence and coxa vara deformity were encountered after index surgery. Management of the recurrence was done with intramedullary fixation with extended curettage and bone grafting.

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Objectives: This study aimed to localise the eloquent cortex and measure evoked field (EF) parameters using magnetoencephalography in patients with epilepsy and tumours near the eloquent cortex.

Methods: A total of 41 patients (26 with drug-refractory epilepsy and 15 with tumours), with a mean age of 33 years, were recruited. Visual evoked field (VEF), auditory evoked field (AEF), sensory evoked field (SSEF), and motor-evoked field (MEF) latencies, amplitudes, and localisation were compared with those of a control population.

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Introduction: Cognitive impairment is a common non-motor feature of Parkinson's Disease (PD). Diagnosis of mild cognitive impairment is challenging and routinely missed in clinical practice. Our study aimed to study the efficacy of NIMHANS Neuropsychological Battery for Elderly (NNB-E) in diagnosing subtle cognitive deficits in PD patients.

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We are describing a case report of a morbidly obese patient (body mass index 41) in his mid-40s with Young and Burgess Anteroposterior Compression type II injury (AO Foundation/Orthopaedic Trauma Association type B1.2) managed by symphyseal plating. Morbid obesity made working at a depth very difficult; hence, we adopted a novel 'wire-ramp plate-sliding method'.

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  • Diethyl cyanophosphonate (DCNP) is a dangerous pollutant found in pharmaceutical waste that poses risks to living organisms, and a new trinuclear zinc(II) cluster has been developed to selectively detect and degrade it.
  • The cluster's unique structure includes two pentacoordinated and one hexacoordinated Zn(II) units, and its effectiveness is enhanced by chelation-induced fluorescence, allowing it to detect DCNP at low concentrations (186 nM).
  • The probe's capabilities were verified through various advanced techniques and tested in real-world applications, including bio-imaging of zebrafish larvae and detection in food products and air samples.
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Cognitive impairment contributes to functional impairment in schizophrenia. Yet, little is known about how environmental characteristics are related to cognition in schizophrenia. By examining how cognition and the environment are intertwined, it may be possible to identify modifiable risk and protective factors that can improve cognitive outcomes in schizophrenia.

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 The study explores whether the epileptic networks associate with predetermined seizure onset zone (SOZ) identified from other modalities such as electroencephalogram/video electroencephalogram/structural MRI (EEG/VEEG/sMRI) and with the degree of resting-state functional MRI/positron emission tomography (RS-fMRI/PET) coupling. Here, we have analyzed the subgroup of patients who reported having a seizure on the day of scan as postictal cases and compared the findings with interictal cases (seizure-free interval).  We performed independent component analysis (ICA) on RS-fMRI and 20 ICA were hand-labeled as large scale, noise, downstream, and epilepsy networks (Epinets) based on their profile in spatial, time series, and power spectrum domains.

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Anthocyanins in red cabbage, sweet potato, and Tradescantia pallida leaves were characterised. A total of 18 non-, mono-, and diacylated cyanidins was identified in red cabbage by high performance liquid chromatography-diode array detection coupled to high-resolution and multi-stage mass spectrometry. Sweet potato leaves contained 16 different cyanidin- and peonidin glycosides being predominantly mono- and diacylated.

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Background The anterior cruciate ligament (ACL) reconstruction is a standard surgery in patients with instability of the knee caused by ACL insufficiency. Several differential procedures using grafts and implants such as loops, buttons, and screws have been described. This study aimed to assess the functional outcomes of ACL reconstruction surgery using titanium adjustable loop buttons and poly-L-co-DL-lactic acid-beta tricalcium phosphate (PLDLA-bTCP) interference screws.

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The distinction in coordination modes of metal complexes leads to their versatile structural features and unique properties. Here, we report two tetradentate Schiff base ligands (HL and HL) bearing NO donor sets, tactically selected to provide distinct coordination modes with different metal ions. The ligands were utilized to synthesize their organotin(IV) (1-4) and vanadium(V) (5) derivatives.

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