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  1. Article ; Online: Effect of anterior chamber depth on the accuracy of different intraocular lens’ formulas

    Muhammad Moin / Tayyaba Gul Malik / Rabail Alam

    BioMedica, Vol 38, Iss 3, Pp 143-

    2022  Volume 148

    Abstract: Background and Objectives : Due to the difference in anterior segments among different races, intraocular lens formulas behave differently. Asian eyes have smaller anterior segment dimensions than Caucasian eyes. This study was carried out to evaluate ... ...

    Abstract Background and Objectives : Due to the difference in anterior segments among different races, intraocular lens formulas behave differently. Asian eyes have smaller anterior segment dimensions than Caucasian eyes. This study was carried out to evaluate the effect of different values of anterior chamber depth on the accuracy of Sanders, Retzlaff, Kraff/Theoretical (SRK/T), Hill Radial Basis Function (Hill RBF 2), and Barrett Universal II (Barrett U II) formulas. Methods: This was a descriptive observational study. Ninety-six eyes of patients, who underwent phacoemulsification with intraocular lens implantation and ended uneventfully, were included. The patients were divided into two groups based on the anterior chamber depth (ACD). Group 1 had ACD > 3 mm and group 2 had ACD < 3 mm. Intraocular lens (IOL) power with SRK/T was calculated with a built-in formula in IOL Master 500. Barrett Universal II and Hill RBF 2 formulas were calculated using online calculators. Descriptive statistics were calculated for both groups. An independent t-test was applied for group comparison. Results: Comparisons of the mean prediction errors of groups 1 and 2 using three different formulas were not statistically significant (p > 0.05). However, SRK/T had the lowest median prediction error for both groups but the highest percentage of eyes within ±0.5 D of absolute prediction error (APE) for group 1 and the lowest percentage of eyes within ±0.5 D of APE for group 2. Conclusion: There was no statistically significant effect of different anterior chamber depths on the accuracy of SRK/T, Barrett U II, and Hill RBF 2. The three formulas behaved similarly with different depths of the anterior chamber.
    Keywords Medicine ; R ; Biology (General) ; QH301-705.5
    Subject code 150
    Language English
    Publishing date 2022-09-01T00:00:00Z
    Publisher Discover STM Publishing Ltd
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: CHOROIDAL THICKNESS IN PATIENTS WITH DIABETIC MACULAR EDEMA

    Amash Aqil / Muhammad Moin / Khadijah Abid / Ahsan Mehmood

    Pakistan Armed Forces Medical Journal, Vol 71, Iss 2, Pp 433-

    2021  Volume 37

    Abstract: Objective: To evaluate central macular thickness and choroidal thickness in patients with macular edema due to diabetic retinopathy versus controls. Study Design: Cross-sectional comparative study. Place and Duration of Study: Department of Ophthalmology, ...

    Abstract Objective: To evaluate central macular thickness and choroidal thickness in patients with macular edema due to diabetic retinopathy versus controls. Study Design: Cross-sectional comparative study. Place and Duration of Study: Department of Ophthalmology, Lahore General Hospital, Lahore, from Jan to Jul 2018. Methodology: A retrospective data of 100 eyes from 50 patients having with diabetic macular edema associated with diabetic retinopathy was extracted from hospital registry. Additionally, 100 eyes of 50 individuals without any preexisting ocular conditions, comprising a control group was included in the study. Choroidal thickness measurements were made from the posterior edge of the retinal pigment epithelium to the choroid/sclera junction at subfoveal level using optical coherence tomography. Central macular thickness was also measured for all the enrolled patients. Results: One hundred patients fulfilling the inclusion criteria were enrolled in our study. The mean age was 56.27 ± 14.41 years. The mean Central macular thickness of all the patients were reported as 270.49 ± 72.38 μm, while the choroidal thickness was 284.89 ± 96.51 μm. There was statistically significant difference in central macular thickness between both healthy and diabetic retinopathy with diabetic macular edema groups (p=0.001), whereas insignificant difference existed between the two groups forchoroidal thickness (p=0.735). Conclusion: In patients with diabetic macular edema no significant change in choroidal thickness was observed compared with healthy controls, while the thickness of the retina was high in patients with macular edema due to diabetes.
    Keywords choroidal thickness ; diabetic retinopathy ; diabetic macular edema ; optical coherence tomography ; Medicine ; R ; Medicine (General) ; R5-920
    Subject code 610
    Language English
    Publishing date 2021-04-01T00:00:00Z
    Publisher Army Medical College Rawalpindi
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: DIABETIC RETINOPATHY IN PATIENTS WITH CHRONIC KIDNEY DISEASE

    Lubna Siddiq Mian / Muhammad Moin / Aurangzeb Afzal

    Pakistan Armed Forces Medical Journal, Vol 69, Iss 3, Pp 625-

    2019  Volume 630

    Abstract: Objective: To study and compare the association between the grade of chronic kidney disease (CKD) and a set of parameters including: the stage of diabetic retinopathy (DR), random blood sugar level, insulin versus oral hypoglycemics use, and the history ... ...

    Abstract Objective: To study and compare the association between the grade of chronic kidney disease (CKD) and a set of parameters including: the stage of diabetic retinopathy (DR), random blood sugar level, insulin versus oral hypoglycemics use, and the history of receiving some ocular treatment for coexisting DR. Study Design: Cross sectional study. Place and Duration of Study: Lahore General Hospital, Lahore, form Sep 2016 to Jun 2017. Material and Methods: Our study included 100 patients diagnosed to have chronic kidney disease (CKD) due to diabetic nephropathy, these patients had fundus photographs, blood sugar random (BSR) check, and inquired about the nature of hypoglycemics used and about the history of receiving treatment for co-existing diabetic retinopathy. The fundus photographs were evaluated for the presence and the grade of diabetic retinopathy. The association between the grade of CKD and these four parameters was compared. Results: The mean age of our patients is 54.55 ± SD 11.647, 40% are male and 60% are female, 68% of the patients had any diabetic retinopathy, and 22% had severe disease including proliferative diabetic retinopathy (PDR) and advanced diabetic eye disease. Forty six percent had non-proliferative diabetic retinopathy (NPDR), 28% of the patients had random blood sugar levels less than 200 mg/dl and 72% had higher levels making poor glycemic control common among the participants. The stage of retinopathy advanced in accordance with the stage of CKD but could not reach a statistical significance (p=0.134). Conclusion: Patients with chronic kidney disease due to diabetes mellitus are at risk for diabetic retinopathy and need regular fundus examination and timely treatment to prevent blindness and visual impairment.
    Keywords chronic kidney disease ; diabetic retinopathy ; fundus photographs ; Medicine ; R ; Medicine (General) ; R5-920
    Subject code 610
    Language English
    Publishing date 2019-06-01T00:00:00Z
    Publisher Army Medical College Rawalpindi
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Fuzzy Logic-Based Duty Cycle Controller for the Energy Management System of Hybrid Electric Vehicles with Hybrid Energy Storage System

    Muhammad Rafaqat Ishaque / Muhammad Adil Khan / Muhammad Moin Afzal / Abdul Wadood / Seung-Ryle Oh / Muhammad Talha / Sang-Bong Rhee

    Applied Sciences, Vol 11, Iss 3192, p

    2021  Volume 3192

    Abstract: Due to increasing fuel prices, the world is moving towards the use of hybrid electric vehicles (HEVs) because they are environmentally friendly, require less maintenance, and are a green technology. The energy management system (EMS) plays an important ... ...

    Abstract Due to increasing fuel prices, the world is moving towards the use of hybrid electric vehicles (HEVs) because they are environmentally friendly, require less maintenance, and are a green technology. The energy management system (EMS) plays an important role in HEVs for the efficient storage of energy and control of the power flow mechanism. This paper deals with the design, modeling, and result-oriented approach for the development of EMS for HEVs using a fuzzy logic controller (FLC). Batteries and supercapacitors (SCs) are used as primary and secondary energy storage systems (ESSs), respectively. EMS consists of the ultra-power transfer algorithm (UPTA) and FLC techniques, which are used to control the power flow. The UPTA technique is used to charge the battery with the help of a single-ended primary inductor converter (SEPIC) during regenerative braking mode. The proposed research examines and compares the performance of FLC with a proportional integral (PI) controller by using MATLAB (Simulink) software. Three scenarios are built to confirm the efficiency of the proposed design. The simulation results show that the proposed design with FLC has a better response as its rise time (2.6 m) and settling time (1.47 µs) are superior to the PI controller.
    Keywords energy management system (EMS) ; energy storage system (ESS) ; hybrid electric vehi-cles (HEVs) ; fuzzy logic controller (FLC) ; supercapacitor (SC) ; single-ended primary inductor converter (SEPIC) ; Technology ; T ; Engineering (General). Civil engineering (General) ; TA1-2040 ; Biology (General) ; QH301-705.5 ; Physics ; QC1-999 ; Chemistry ; QD1-999
    Subject code 629
    Language English
    Publishing date 2021-04-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Perceived risk and perceptions of COVID-19 vaccine

    Bilal Mahmood Beg / Tariq Hussain / Mehmood Ahmad / Sadaf Areej / Arfa Majeed / Muhammad Adil Rasheed / Muhammad Moin Ahmad / Qurat-Ul-Ain Shoaib / Sadaf Aroosa

    PLoS ONE, Vol 17, Iss 3, p e

    A survey among general public in Pakistan.

    2022  Volume 0266028

    Abstract: Background The coronavirus disease has become a global pandemic, and it continues to wreak havoc on global health and the economy. The development of vaccines may offer a potential eradication of COVID-19. This study evaluated the general knowledge, ... ...

    Abstract Background The coronavirus disease has become a global pandemic, and it continues to wreak havoc on global health and the economy. The development of vaccines may offer a potential eradication of COVID-19. This study evaluated the general knowledge, attitude, and perception of COVID-19 vaccines in the Pakistani population. Methods A self-reporting e-survey and questionnaire-based survey from vaccination centers of different cities of Pakistan among 502 participants were conducted. The questionnaire comprised four sections inquiring demographics, vaccination status, and perception or attitude towards the vaccine. Univariate logistic regression was applied to predict the knowledge, attitude and behavior of participants. Results The mean age of participants was 50.8±20.3 years. 53% of the participants have both doses of vaccine administered. Pain on the site of injection (49.8%) was the most common symptom, followed by asthenia (43.0%), muscle pain (29.5%), and swelling (24.5%) on the site of vaccine administration. Females complain of more symptoms than males. More severe symptoms were reported after the first dose of vaccine administration; these symptoms subsided within a week for most participants. Overall, the respondents have a positive attitude towards the vaccine. 47.4% are sure about the vaccine's efficacy, 48.6% said getting vaccinated was their own decision, and 79.9% also recommended others to get vaccinated. Conclusion The study concluded that the Pakistani population has a positive attitude but inadequate knowledge towards COVID-19 vaccines. Immediate awareness and vaccination education programs should be conducted by the authorities to complete the mass vaccination schedule.
    Keywords Medicine ; R ; Science ; Q
    Subject code 300
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: A Comparative Study of Supercapacitor-Based STATCOM in a Grid-Connected Photovoltaic System for Regulating Power Quality Issues

    Muhammad Moin Afzal / Muhammad Adil Khan / Muhammad Arshad Shehzad Hassan / Abdul Wadood / Waqar Uddin / S. Hussain / Sang Bong Rhee

    Sustainability, Vol 12, Iss 6781, p

    2020  Volume 6781

    Abstract: Renewable energy resources (RERs) play a vital role in reducing greenhouse gases, as well as balancing the power generation demand in daily life. Due to the high penetration of RERs and non-linear loads into utility power systems, various power quality ... ...

    Abstract Renewable energy resources (RERs) play a vital role in reducing greenhouse gases, as well as balancing the power generation demand in daily life. Due to the high penetration of RERs and non-linear loads into utility power systems, various power quality issues arise, i.e., voltage drop, harmonic distortion, reactive power demand, etc. In order to handle these power quality issues, there is a need for smart flexible alternating current transmission system (FACTS) devices. In this paper, a super capacitor energy storage system (SCESS)-based static synchronous compensator (STATCOM) is designed in order for the grid-connected photovoltaic (PV) system to overcome the abovementioned power quality issues. A voltage controller and a d-q axis controller are used for the efficient performance of the STATCOM. In order to show the superiority of the supercapacitor, a detailed comparison is made between a battery energy storage system (BESS)-based STATCOM and a SCESS-based STATCOM. Four scenarios are studied to evaluate the performance of the proposed STATCOM design. The proposed SCESS-based STATCOM not only boosts the voltage but also stabilizes it from 368 V to 385 V (Ph-Ph rms ). The simulated results have confirmed that the proposed design is not only superior to a BESS-based STATCOM but also has the capability to overcome the power quality issues as well.
    Keywords STATCOM ; SCESS ; BESS ; renewable energy resources ; PV ; d-q axis controller ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
    Subject code 690
    Language English
    Publishing date 2020-08-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Perceived risk and perceptions of COVID-19 vaccine: A survey among general public in Pakistan.

    Beg, Bilal Mahmood / Hussain, Tariq / Ahmad, Mehmood / Areej, Sadaf / Majeed, Arfa / Rasheed, Muhammad Adil / Ahmad, Muhammad Moin / Shoaib, Qurat-Ul-Ain / Aroosa, Sadaf

    PloS one

    2022  Volume 17, Issue 3, Page(s) e0266028

    Abstract: Background: The coronavirus disease has become a global pandemic, and it continues to wreak havoc on global health and the economy. The development of vaccines may offer a potential eradication of COVID-19. This study evaluated the general knowledge, ... ...

    Abstract Background: The coronavirus disease has become a global pandemic, and it continues to wreak havoc on global health and the economy. The development of vaccines may offer a potential eradication of COVID-19. This study evaluated the general knowledge, attitude, and perception of COVID-19 vaccines in the Pakistani population.
    Methods: A self-reporting e-survey and questionnaire-based survey from vaccination centers of different cities of Pakistan among 502 participants were conducted. The questionnaire comprised four sections inquiring demographics, vaccination status, and perception or attitude towards the vaccine. Univariate logistic regression was applied to predict the knowledge, attitude and behavior of participants.
    Results: The mean age of participants was 50.8±20.3 years. 53% of the participants have both doses of vaccine administered. Pain on the site of injection (49.8%) was the most common symptom, followed by asthenia (43.0%), muscle pain (29.5%), and swelling (24.5%) on the site of vaccine administration. Females complain of more symptoms than males. More severe symptoms were reported after the first dose of vaccine administration; these symptoms subsided within a week for most participants. Overall, the respondents have a positive attitude towards the vaccine. 47.4% are sure about the vaccine's efficacy, 48.6% said getting vaccinated was their own decision, and 79.9% also recommended others to get vaccinated.
    Conclusion: The study concluded that the Pakistani population has a positive attitude but inadequate knowledge towards COVID-19 vaccines. Immediate awareness and vaccination education programs should be conducted by the authorities to complete the mass vaccination schedule.
    MeSH term(s) Adult ; Aged ; COVID-19/epidemiology ; COVID-19/prevention & control ; COVID-19 Vaccines ; Cross-Sectional Studies ; Female ; Humans ; Male ; Middle Aged ; Pakistan/epidemiology ; SARS-CoV-2 ; Surveys and Questionnaires ; Vaccination ; Vaccines
    Chemical Substances COVID-19 Vaccines ; Vaccines
    Language English
    Publishing date 2022-03-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0266028
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Oromandibular dystonia: differential diagnosis and management.

    Khan, Junad / Anwer, Hafiz Muhammad Moin / Eliav, Eli / Heir, Gary

    Journal of the American Dental Association (1939)

    2015  Volume 146, Issue 9, Page(s) 690–693

    MeSH term(s) Aged ; Botulinum Toxins/therapeutic use ; Diagnosis, Differential ; Dystonia/diagnosis ; Dystonia/drug therapy ; Dystonia/therapy ; Female ; Humans ; Mouth Diseases/diagnosis ; Mouth Diseases/drug therapy ; Mouth Diseases/therapy ; Orthodontic Appliances ; Temporomandibular Joint Disorders/diagnosis ; Temporomandibular Joint Disorders/drug therapy ; Temporomandibular Joint Disorders/therapy
    Chemical Substances Botulinum Toxins (EC 3.4.24.69)
    Language English
    Publishing date 2015-09
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 220622-5
    ISSN 1943-4723 ; 0002-8177 ; 1048-6364
    ISSN (online) 1943-4723
    ISSN 0002-8177 ; 1048-6364
    DOI 10.1016/j.adaj.2014.09.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: In Reply.

    Khan, Junad / Alghamdi, Hamed / Anwer, Muhammad Moin / Ziccardi, Vincent / Eliav, Eli

    Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

    2016  Volume 74, Issue 11, Page(s) 2113

    Language English
    Publishing date 2016-11
    Publishing country United States
    Document type Letter
    ZDB-ID 392404-x
    ISSN 1531-5053 ; 0278-2391
    ISSN (online) 1531-5053
    ISSN 0278-2391
    DOI 10.1016/j.joms.2016.07.007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Role of Collagen Conduit With Duloxetine and/or Pregabalin in the Management of Partial Peripheral Nerve Injury.

    Khan, Junad / Alghamdi, Hamed / Anwer, Muhammad Moin / Eliav, Eli / Ziccardi, Vincent

    Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

    2016  Volume 74, Issue 6, Page(s) 1120–1130

    Abstract: Purpose: The objective of this study was to investigate the analgesic effect of a collagen conduit (Neuragen, Integra LifeSciences Corp, Plainsboro, NJ) using duloxetine (Cymbalta, Lilly, Indianapolis, IN) with or without pregabalin (Lyrica, Pfizer, NY) ...

    Abstract Purpose: The objective of this study was to investigate the analgesic effect of a collagen conduit (Neuragen, Integra LifeSciences Corp, Plainsboro, NJ) using duloxetine (Cymbalta, Lilly, Indianapolis, IN) with or without pregabalin (Lyrica, Pfizer, NY) on pain induced by partial sciatic nerve transection in a rat model.
    Material and methods: Adult male Sprague-Dawley rats were divided into 5 groups (n = 10 per group): group 1, nerve damage with no treatment; group 2, nerve damage treated with the application of a collagen conduit and saline; group 3, nerve damage treated with the application of a collagen conduit and duloxetine; group 4, nerve damage treated with the application of a collagen conduit and pregabalin; and group 5, nerve damage treated with the application of a collagen conduit and pregabalin plus duloxetine. Pain levels were evaluated by responses to mechanical and thermal stimuli at baseline before and 3 and 7 days after surgery. Interleukin (IL)-6, IL-10, and tumor necrosis factor (TNF) levels were evaluated in blood, sciatic nerve, and dorsal root ganglion samples collected 7 days after surgery.
    Results: The group treated with the collagen conduit and pregabalin exhibited markedly less pain 7 days postoperatively in response to mechanical and thermal stimuli compared with the other groups. IL-10 levels were considerably increased in the group treated with pregabalin. The groups treated with a collagen conduit and duloxetine and a combination of pregabalin and duloxetine also exhibited markedly less pain in response to mechanical and thermal stimuli 7 days after surgery compared with the group that had only nerve injury. The decrease in pain using duloxetine was not as robust but was associated with a decrease of TNF-α. The combination of pregabalin and duloxetine resulted in a substantial decrease in IL-6.
    Conclusion: Using a collagen conduit and duloxetine, pregabalin, and their combination helped alleviate neuropathic pain. The mechanism of action might be associated, at least in part, to cytokines.
    MeSH term(s) Analgesics/administration & dosage ; Analgesics/therapeutic use ; Animals ; Collagen/therapeutic use ; Drug Therapy, Combination ; Duloxetine Hydrochloride/administration & dosage ; Duloxetine Hydrochloride/therapeutic use ; Male ; Neuralgia/drug therapy ; Neuralgia/etiology ; Pain Measurement ; Peripheral Nerve Injuries/complications ; Peripheral Nerve Injuries/drug therapy ; Pharmaceutical Vehicles ; Pregabalin/administration & dosage ; Pregabalin/therapeutic use ; Rats ; Rats, Sprague-Dawley ; Sciatic Nerve/injuries
    Chemical Substances Analgesics ; Pharmaceutical Vehicles ; Pregabalin (55JG375S6M) ; Collagen (9007-34-5) ; Duloxetine Hydrochloride (9044SC542W)
    Language English
    Publishing date 2016-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 392404-x
    ISSN 1531-5053 ; 0278-2391
    ISSN (online) 1531-5053
    ISSN 0278-2391
    DOI 10.1016/j.joms.2016.01.022
    Database MEDical Literature Analysis and Retrieval System OnLINE

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