1.Quetiapine-induced hypokalemic periodic paralysis in a pregnant woman: a case report
Muhammad Hafiz Mohamed PAUZI ; Azidah Abdul KADIR ; Syaheedatul Iman DINSUHAIMI ; Zainab Mat YUDIN ; Wan Nazirah Wan YUSUF
Korean Journal of Family Medicine 2025;46(2):115-119
Quetiapine-induced hypokalemic periodic paralysis (QIHPP) is a rare condition. Herein, we present the case of a 31-year-old pregnant Malay woman diagnosed with bipolar II disorder and QIHPP. She presented to the casualty department with a 2-day history of bilateral lower limb weakness and numbness. Her renal function tests showed moderate hypokalemia (2.5 mmol/L), whereas other investigations were normal. Quetiapine was suspected to be the cause, prompting a psychiatric referral to manage her acute condition. Balancing the risks of untreated QIHPP against the potential relapse of bipolar symptoms from quetiapine discontinuation or dosage reduction poses a significant treatment challenge for pregnant women with QIHPP. Finally, we reduced the quetiapine dosage after careful consideration, leading to the normalization of potassium levels and symptom resolution. Therefore, clinicians should be aware of this side effect when initiating or continuing quetiapine treatment in women of childbearing age or pregnant women with psychiatric disorders. It is crucial to monitor serum electrolytes, especially potassium, following quetiapine administration and warn patients about its potential side effects.
2.Quetiapine-induced hypokalemic periodic paralysis in a pregnant woman: a case report
Muhammad Hafiz Mohamed PAUZI ; Azidah Abdul KADIR ; Syaheedatul Iman DINSUHAIMI ; Zainab Mat YUDIN ; Wan Nazirah Wan YUSUF
Korean Journal of Family Medicine 2025;46(2):115-119
Quetiapine-induced hypokalemic periodic paralysis (QIHPP) is a rare condition. Herein, we present the case of a 31-year-old pregnant Malay woman diagnosed with bipolar II disorder and QIHPP. She presented to the casualty department with a 2-day history of bilateral lower limb weakness and numbness. Her renal function tests showed moderate hypokalemia (2.5 mmol/L), whereas other investigations were normal. Quetiapine was suspected to be the cause, prompting a psychiatric referral to manage her acute condition. Balancing the risks of untreated QIHPP against the potential relapse of bipolar symptoms from quetiapine discontinuation or dosage reduction poses a significant treatment challenge for pregnant women with QIHPP. Finally, we reduced the quetiapine dosage after careful consideration, leading to the normalization of potassium levels and symptom resolution. Therefore, clinicians should be aware of this side effect when initiating or continuing quetiapine treatment in women of childbearing age or pregnant women with psychiatric disorders. It is crucial to monitor serum electrolytes, especially potassium, following quetiapine administration and warn patients about its potential side effects.
3.Quetiapine-induced hypokalemic periodic paralysis in a pregnant woman: a case report
Muhammad Hafiz Mohamed PAUZI ; Azidah Abdul KADIR ; Syaheedatul Iman DINSUHAIMI ; Zainab Mat YUDIN ; Wan Nazirah Wan YUSUF
Korean Journal of Family Medicine 2025;46(2):115-119
Quetiapine-induced hypokalemic periodic paralysis (QIHPP) is a rare condition. Herein, we present the case of a 31-year-old pregnant Malay woman diagnosed with bipolar II disorder and QIHPP. She presented to the casualty department with a 2-day history of bilateral lower limb weakness and numbness. Her renal function tests showed moderate hypokalemia (2.5 mmol/L), whereas other investigations were normal. Quetiapine was suspected to be the cause, prompting a psychiatric referral to manage her acute condition. Balancing the risks of untreated QIHPP against the potential relapse of bipolar symptoms from quetiapine discontinuation or dosage reduction poses a significant treatment challenge for pregnant women with QIHPP. Finally, we reduced the quetiapine dosage after careful consideration, leading to the normalization of potassium levels and symptom resolution. Therefore, clinicians should be aware of this side effect when initiating or continuing quetiapine treatment in women of childbearing age or pregnant women with psychiatric disorders. It is crucial to monitor serum electrolytes, especially potassium, following quetiapine administration and warn patients about its potential side effects.
4.Quetiapine-induced hypokalemic periodic paralysis in a pregnant woman: a case report
Muhammad Hafiz Mohamed PAUZI ; Azidah Abdul KADIR ; Syaheedatul Iman DINSUHAIMI ; Zainab Mat YUDIN ; Wan Nazirah Wan YUSUF
Korean Journal of Family Medicine 2025;46(2):115-119
Quetiapine-induced hypokalemic periodic paralysis (QIHPP) is a rare condition. Herein, we present the case of a 31-year-old pregnant Malay woman diagnosed with bipolar II disorder and QIHPP. She presented to the casualty department with a 2-day history of bilateral lower limb weakness and numbness. Her renal function tests showed moderate hypokalemia (2.5 mmol/L), whereas other investigations were normal. Quetiapine was suspected to be the cause, prompting a psychiatric referral to manage her acute condition. Balancing the risks of untreated QIHPP against the potential relapse of bipolar symptoms from quetiapine discontinuation or dosage reduction poses a significant treatment challenge for pregnant women with QIHPP. Finally, we reduced the quetiapine dosage after careful consideration, leading to the normalization of potassium levels and symptom resolution. Therefore, clinicians should be aware of this side effect when initiating or continuing quetiapine treatment in women of childbearing age or pregnant women with psychiatric disorders. It is crucial to monitor serum electrolytes, especially potassium, following quetiapine administration and warn patients about its potential side effects.
5.Smart Nanocarriers as an Emerging Platform in Urologic Cancer Immunotherapy: A Review on Clinical Insights and Applications
Sania HASSAN ; Afshan AYAZ ; Afaf NAWAZ ; Sawera KHALIL ; Sadia MAQSOOD ; Saira ATHAR ; Ammara RASHEED ; Sania SAEED ; Samrah SHAMS ; Hafiz Muhammad SULTAN
Journal of Urologic Oncology 2025;23(2):164-187
A new generation of smart nanocarriers offers excellent safety, efficiency, and targeted drug delivery for cancer immunotherapy. Conventional cancer treatments, such as radiation and chemotherapy, are often associated with severe systemic toxicity and extensive collateral damage to healthy tissues. In contrast, the enhanced permeability and retention effect and active targeting mechanisms of certain nanocarriers, such as liposomes, dendrimers, polymeric nanoparticles, and lipid-based systems, enable precise drug delivery. Therapeutic agents can be encapsulated within nanoscale delivery systems, protected from early degradation, and released in response to specific signals within the tumor microenvironment, such as changes in pH or enzyme concentrations. Targeting accuracy is further improved through surface modifications, including ligands, antibodies, or aptamers, which facilitate intracellular uptake and mitigate off-target effects. Additionally, the wide variety of nanocarrier structures available—from polymersomes and micelles to nanospheres and nanocapsules—allows customized applications tailored to different cancer types and stages. Current research highlights the potential for immunomodulatory drugs loaded into nanocarriers to enhance antitumor immunity and overcome mechanisms of immunoresistance. This review discusses the classification, processes, and biological applications of smart nanocarriers, with particular emphasis on how they can advance cancer immunotherapy by addressing challenges related to drug loading, targeted delivery, and biocompatibility.
6.Effectiveness of cephalosporins Microbiology in hydrolysis and inhibition of Staphylococcus aureus and Escherichia coli biofilms
Jawaria ASLAM ; Hafiz MUHAMMAD ALI ; Shujaat HUSSAIN ; Muhammad Zishan AHMAD ; Abu Baker SIDDIQUE ; Muhammad SHAHID ; Mirza Imran SHAHZAD ; Hina FATIMA ; Sarah TARIQ ; Fatima SADIQ ; Maria ASLAM ; Umar FAROOQ ; Saadiya ZIA ; Rawa Saad ALJALUOD ; Khaloud Mohammed ALARJANI
Journal of Veterinary Science 2024;25(3):e47-
Objective:
The study examined the efficacy of various generations of cephalosporins against biofilms developed by pathogenic S. aureus and E. coli.
Methods:
The development of biofilms by both bacteria was assessed using petri-plate and microplate methods. Biofilm hydrolysis and inhibition were tested using first to fourth generations of cephalosporins, and the effects were analyzed by crystal violet staining and phase contrast microscopy.
Results:
Both bacterial strains exhibited well-developed biofilms in petri-plate and microplate assays. Cefradine (first generation) showed 76.78% hydrolysis of S. aureus biofilm, while significant hydrolysis (59.86%) of E. coli biofilm was observed by cefipime (fourth generation). Similarly, cefuroxime, cefadroxil, cefepime, and cefradine caused 78.8%, 71.63%, 70.63%, and 70.51% inhibition of the S. aureus biofilms, respectively. In the case of E. coli, maximum biofilm inhibition (66.47%) was again shown by cefepime. All generations of cephalosporins were more effective against S. aureus than E. coli, which was confirmed by phase contrast microscopy.
Conclusions
and Relevance: Cephalosporins exhibit dual capabilities of hydrolyzing and inhibiting S. aureus and E. coli biofilms. First-generation cephalosporins exhibited the highest inhibitory activity against S. aureus, while the third and fourth generations significantly inhibited E. coli biofilms. This study highlights the importance of tailored antibiotic strategies based on the biofilm characteristics of specific bacterial strains.
7.Cassia Angustifolia Primed ASCs Accelerate Burn Wound Healing by Modulation of Inflammatory Response
Saba TASNEEM ; Hafiz GHUFRAN ; Maryam AZAM ; Amna ARIF ; Musab Bin UMAIR ; Muhammad Amin YOUSAF ; Khurrum SHAHZAD ; Azra MEHMOOD ; Kausar MALIK ; Sheikh RIAZUDDIN
Tissue Engineering and Regenerative Medicine 2024;21(1):137-157
Background:
Thermal traumas impose a huge burden on healthcare systems. This merits the need for advanced but cost-effective remedies with clinical prospects. In this context, we prepared a regenerative 3D-construct comprising of Cassia angustifolia extract (SM) primed adipose-derived stem cells (ASCs) laden amniotic membrane for faster burn wound repair.
Methods:
ASCs were preconditioned with SM (30 µg/ml for 24 h), and subsequently exposed to in-vitro thermal injury (51 °C,10 min). In-vivo thermal injury was induced by placing pre-heated copper-disc (2 cm diameter) on dorsum of the Wistar rats. ASCs (2.0 × 105) pre-treated with SM (SM-ASCs), cultured on stromal side of amniotic membrane (AM) were transplanted in rat heat-injury model. Non-transplanted heat-injured rats and non-heat-injured rats were kept as controls.
Results:
The significantly upregulated expression of IGF1, SDF1A, TGFβ1, VEGF, GSS, GSR, IL4, BCL2 genes and downregulation of BAX, IL6, TNFα, and NFkB1 in SM-ASCs in in-vitro and in-vivo settings confirmed its potential in promoting cell-proliferation, migration, angiogenesis, antioxidant, cell-survival, anti-inflammatory, and wound healing activity. Moreover, SM-ASCs induced early wound closure, better architecture, normal epidermal thickness, orderly-arranged collagen fibers, and well-developed skin appendages in healed rat-skin transplanted with AM+SM-ASCs, additionally confirmed by increased expression of structural genes (Krt1, Krt8, Krt19, Desmin, Vimentin, α-Sma) in comparison to untreated-ASCs laden-AM transplanted in heat injured rats.
Conclusion
SM priming effectively enabled ASCs to counter thermal injury by significantly enhancing cell survival and reducing inflammation upon transplantation. This study provides bases for development of effective combinational therapies (natural scaffold, medicine, and stem cells) with clinical prospects for treating burn wounds.
8.Biportal Endoscopic Transforaminal Interbody Fusion for Lumbar Adjacent Segment Disease: An Illustrative Case and Literature Review
Yi-Yen CHIANG ; Muhammad Hafiz HASHIM ; Chun-Chieh WANG ; Chuan-Ching HUANG ; Chih-Wei CHEN ; Shu-Hua YANG ; Ming-Hsiao HU
Journal of Minimally Invasive Spine Surgery and Technique 2024;9(2):116-122
Posterior lumbar fusion surgery is a well-established procedure for treating degenerative lumbar spine diseases. Despite its surgical success over the decades, adjacent segment degeneration persisted as a problem, causing significant morbidity in patients. Various surgical fusion techniques, including open and minimally invasive procedures, have been reported for treating adjacent segment disease. Recently, endoscopic lumbar interbody fusion, including fully endoscopic lumbar interbody fusion through the uniportal approach and biportal endoscopic transforaminal lumbar interbody fusion (BE-TLIF), has been attempted as a minimally invasive surgical technique for lumbar fusion. This study describes the BE-TLIF technique and presents a review of the literature on this technique for treating adjacent segment disease. Our case illustration demonstrates that BE-TLIF could be a viable minimally invasive technique for addressing adjacent segment disease in revision lumbar spinal fusion surgery.
9.Validation of arrhythmogenic right ventricular cardiomyopathy risk calculator for sudden cardiac death: a systematic review
Sarim RASHID ; Ritesh PAHWANI ; Sahil RAJ ; Hafiz Ahmed Raza KHAN ; Saffa NADEEM ; Muhammad Usman GHANI ; Jawad BASIT ; Amin MEHMOODI ; Jahanzeb MALIK
International Journal of Arrhythmia 2023;24(4):25-
In the context of ARVC, a systematic review of the validation of the ARVC risk score can provide insights into the accuracy and reliability of this score in identifying patients at high risk of ARVC. Digital databases were searched to identify the relevant studies using Medical Subject Headings (MeSH). A total of 8 studies were included in this systematic review. A total of 8 studies were included in this review. The review found that the sensitivity of the ARVC risk scores ranged from 80 to 95%, and the specificity ranged from 31 to 79%. The PPV was 55%, and the NPV was 88%. The ARVC score provided a C-index for a 5-year VA risk prediction of 0.84 [95% CI (0.74–0.93)] and a Harrell C-index of 0.70 (95% CI 0.65–0.75). The calibration slope was 1.01 (95% CI 0.99–1.03). ARVC score demonstrated a significant event 5-year threshold between 15 and 20% and the classical ARVC 5-years/freedom-from-VA rate was 0.76(0.66–0.89) and the non-classical form 5-years/freedom-from-VA rate was 0.58 (0.43–0.78). In conclusion, the validation of ARVC risk scores is an essential step toward improving the accuracy of ARVC diagnosis and risk stratification. Further studies are needed to establish the accuracy and reliability of ARVC risk scores and to address the limitations of the current evidence.
10.Analysing Public Health Impact of Misinformation During COVID-19 Pandemic using the Socio-Ecological Model: A Systematic Review
Khairul Hafidz Alkhair ; Muhammad Hafiz Yusof ; Mohd Faiz Itam ; Zul Aizat Mohamad Fisal ; Mohd Hamzi Mohd Yatim ; Rosliza Abdul Manaf
Malaysian Journal of Medicine and Health Sciences 2023;19(No.1):242-253
Introduction: Social media and Internet use during disasters have been proven to be useful tools in helping public
health agencies to respond to pandemics. However, this tool can also be the culprit in the spread of misinformation to
the public. This study aims to identify the public health impact of misinformation during the COVID-19 pandemic using the socio-ecological model. Methods: A systematic review guided by the Preferred Reporting Items for Systematic
Reviews and Meta-Analyses (PRISMA) guidelines was initially undertaken by searching relevant articles published
from January to November 2020 in several electronic databases including Medline, PubMed, and Springer link. All
publications produced in English regarding the impact of misinformation during the COVID-19 outbreak were included except review articles. Results: Eleven articles were identified from these databases. The public health impact
of misinformation from these articles was analysed and discussed according to the domains of the socio-ecological
model. It was found that various elements of misinformation on the COVID-19 pandemic caused a significant impact
on the individual, interpersonal, organisational, community, and policy levels across various nations. Conclusion:
This study concludes that addressing misinformation during a pandemic such as the COVID-19 phenomenon is an
important measure to improve public health response in mitigating the spread of pandemics.


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