Publications by authors named "Asad Khan"

Background: Municipal wastewater treatment plants (WWTPs) are pivotal reservoirs for antibiotic-resistance genes (ARGs) and antibiotic-resistant bacteria (ARB). Selective pressures from antibiotic residues, co-selection by heavy metals, and conducive environments sustain ARGs, fostering the emergence of ARB. While advancements in WWTP technology have enhanced the removal of inorganic and organic pollutants, assessing ARG and ARB content in treated water remains a gap.

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Introduction: Pediatric femoral deformities present unique challenges in orthopedics, requiring careful management to accommodate ongoing growth and development in young patients. This case report illustrates the longitudinal treatment of a child who experienced multiple complications following an initial femoral neck fracture in a cystic lesion, highlighting the complexity of managing such conditions over time.

Case Report: A 4-year-old child presented in 2016 with a femoral neck fracture and a cystic lesion in the proximal femur, initially managed with valgus osteotomy and dynamic compression plate fixation.

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Introduction: Chronic elbow dislocation is a profoundly debilitating condition characterized by severe instability, limited elbow function, and significant pain. The term "neglected dislocation of the elbow" refers to a traumatic elbow dislocation that has gone untreated for three weeks or longer. Successfully treating this condition presents a challenge, as it involves restoring elbow stability and achieving a decent range of motion, which can be particularly complex.

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Central Nervous System (CNS) disorders are the leading cause of illness and affect the everyday lives of people all around the globe and are predicted to increase tremendously in the upcoming decades. Traditional methods of delivering drugs to the CNS face considerable limitations. Nose-to-brain targeting offers a promising alternative that bypasses the blood-brain barrier (BBB), enabling targeted drug administration to the central nervous system (CNS).

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Objectives: The initial microbial colonization of the gut is seeded by microbes transmitted from the mother's gut, skin, and vaginal tract. As the gut microbiome evolves, a few transmitted microbes persist throughout life. Understanding the impact of mother-to-neonate gut microbiome and antibiotic resistance genes (ARGs) transmission is crucial for establishing its role in infants' immunity against pathogens.

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This review aims to explore the evolution, techniques, and outcomes of minimally invasive spine surgery (MISS) within the field of neurosurgery. We sought to address the increasing burden of spine degeneration in a rapidly aging population and the need for optimizing surgical management. This review explores various techniques in MISS, drawing upon evidence from retrospective studies, case series, systematic reviews, and technological advancements in neurosurgical spine treatment.

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The SNF2 family chromatin remodeler HELLS has emerged as an important regulator of cell proliferation, genome stability, and several cancer pathways. Significant upregulation of HELLS has been reported in 33 human cancer types. While HELLS has been implicated in DNA damage response, its function in DNA repair is poorly understood.

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Background: The opioid crisis continues to be a public health concern worldwide due to the high rates of misuse and associated mortality. Opioid dispensing competencies are critical for pharmacy graduates to promote the rational use of opioids.

Purpose: To evaluate the opioids dispensing competencies among the final year Pharm-D students in Punjab, Pakistan.

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Introduction: Stroke is one of the common causes of mortality. The length of stay (LOS) for a stroke is a quality indicator and affects mortality. However, there are no large studies evaluating the LOS in an acute inpatient setting for stroke patients, mainly hematological and social parameters.

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Male infertility can result from impaired sperm motility caused by multiple morphological abnormalities of the flagella (MMAF). Distinct projections encircling the central microtubules of the spermatozoal axoneme play pivotal roles in flagellar bending and spermatozoal movement. Mammalian sperm-associated antigen 17 ( SPAG17 ) encodes a conserved axonemal protein of cilia and flagella, forming part of the C1a projection of the central apparatus, with functions related to ciliary/flagellar motility, skeletal growth, and male fertility.

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Dermatomyositis is a multi-system, connective tissue immune-mediated inflammatory condition characterised by myositis and distinct skin manifestations, with a higher prevalence in women. Symptoms typically appear in adulthood, though a juvenile form exists. Early signs may include Gottron's papules and heliotrope rash, with proximal muscle weakness as the second most common initial symptom.

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This paper investigates the behavior of fractional-order nonlinear multi-agent systems subjected to Byzantine assaults, specifically focusing on the manipulations of both sensors and actuators. We employ weighted graphs, both directed and undirected, to illustrate the system's topology. Our methodology combines algebraic graph theory with fractional-order Lyapunov techniques to develop algebraic requirements for leader-following consensus, providing a robust framework for analyzing consensus dynamics in these complex systems.

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Fungal metabolites are known for their broad therapeutic effects. In this context, the fungal strain of (FCBP-DNA-1266) was examined for its secondary metabolites and activities. This led to the isolation of naphtho-gamma-pyrone (aurasperone B) and a sterol (ergosterol), characterized using advanced spectroscopic techniques such as H NMR and C NMR.

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Article Synopsis
  • The study aimed to compare the effectiveness of modified combined trabeculotomy-trabeculectomy (CTT) with mitomycin-C (MMC) versus conventional CTT with MMC in reducing intraocular pressure (IOP) in patients with primary congenital glaucoma (PCG).
  • Conducted at The Institute of Ophthalmology, Lahore, from January 2018 to June 2019, the study included 70 patients aged 0 to 10 years, split into two groups for different surgical procedures.
  • Results showed that while both procedures reduced IOP, conventional CTT with MMC was more effective, achieving a success rate of 71.4% compared to 40% for modified CTT.
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Millions of lives have been lost to the deadly SARS-CoV-2 virus. Vaccines and antiviral drugs are essential scientific tools in combating viral infections. This study focused on the RdRp inhibitor favipiravir, exploring new analogs by substituting the fluorine atom on the pyrazine ring with both homocyclic and heterocyclic moieties.

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Objective: This study aimed to assess the quality of primary transurethral resection of bladder tumor (TURBT) procedures performed at Aga Khan University Hospital (AKUH) over nine years, focusing on proper documentation, completeness of tumor resection, quality of histopathology reports, complication rates, and adherence to European Association of Urology (EAU) guidelines.

Materials And Methods: A retrospective analysis of patients aged 25-75 who underwent primary TURBT at AKUH between 2010 and 2019 was done. Patients with incomplete records, concomitant procedures, or those who underwent emergency TURBT were excluded.

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Commensal bacteria that breach endothelial barrier has been reported to induce low grade chronic inflammation producing disease symptoms in major peripheral tissues. In this study, we investigated the role of genetically modified cellular invasive form of commensal E. coli K12 (SK3842) in cognitive impairment.

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Urinoma is an encapsulated collection of extravasated urine in the retroperitoneal space. This rare and potentially dangerous event can occur spontaneously or iatrogenically varying from asymptomatic cases to acute abdomen. The initial diagnostic modality is ultrasound.

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Article Synopsis
  • - The study focuses on comparing the effectiveness of Ultrasound (US)-guided and Fluoroscopy-guided hydrodilatation treatments for adhesive capsulitis, highlighting that the incidence is higher in diabetic patients.
  • - Results showed that the US-guided group had significantly better outcomes in pain reduction, range of motion (ROM), and improvements in shoulder scores within the first few weeks after treatment compared to the fluoroscopy group.
  • - Long-term follow-up indicated that 70.3% of patients in the US-guided group maintained normal or near-normal ROM, suggesting that US-guided hydrodilatation may be the more effective method for treating this condition.
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Neurofibromas, in association with NF-1, can undergo a malignant transformation, giving rise to Malignant peripheral nerve sheath tumours (MPNSTs), a relatively rare entity. Clinically, it presents with non-specific symptoms like pain and numbness, distinguishing it from other nerve lesions difficult. There is a lack of data on the occurrence of MPNST in NF-1 in children and adults, and distant metastasis to the brain and bones is reported only in a few cases.

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Objective: To determine the relative frequency of orbital lesions based on the site of origin and histopathology at a Tertiary care hospital (Mayo Hospital, Lahore Pakistan) from 1996 till 2022 (27 years).

Methods: This descriptive case series included 2651 patients of all age groups presenting with orbital lesions who initially got enrolled at Institute of Ophthalmology Mayo Hospital, Lahore from 1996 till 2022. Of these, 583 patients left against medical advice.

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Background: Computed tomography to body divergence (CTBD) is one of the main barriers to bronchoscopic techniques for the diagnosis of peripherally located lung nodules. Cone-beam CT (CBCT) guidance is being rapidly adopted to correct for this phenomenon and to potentially increase diagnostic outcomes. In this trial, we hypothesized that the addition of mobile CBCT (m-CBCT) could improve the rate of tool in lesion (TIL) and the diagnostic yield of shape-sensing robotic-assisted bronchoscopy (SS-RAB).

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Background: Despite the introduction of bedaquiline (Bdq) containing all-oral regimens for treating patients with rifampicin resistant/multidrug resistant tuberculosis (MDR/RR-TB) in 2019, data on its effectiveness in Pakistan, which has the fifth highest MDR-TB burden, is lacking. This study evaluates treatment outcomes and identifies factors associated with unsuccessful outcomes among MDR/RR-TB patients treated with an all-oral longer treatment regimen (LTR).

Methods: This retrospective record review included all microbiologically confirmed pulmonary MDR/RR-TB patients treated with an all-oral LTR between August 2019 and February 2021 across nine PMDT centres in Pakistan.

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