Halwan Fuad Bayuangga
Faculty Of Medicine, Public Health And Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia

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Knowledge, Attitude, and Practice of Malaria Community Worker towards Prevention and Control of Malaria in Kokap, Kulon Progo: A Pilot Study Noor Afif Mahmudah; Intan Esaputri; Halwan Fuad Bayuangga; Nova Yuli Prasetyo Budi; Alif Kurniawan; Ditha Marissya Daud; Jonathan Hasian Haposan
Review of Primary Care Practice and Education (Kajian Praktik dan Pendidikan Layanan Primer) Vol 3, No 2 (2020): May
Publisher : Faculty of Medicine, Public Health, and Nursing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/rpcpe.59710

Abstract

Background: Malaria Community Worker (CMW) has a crucial role in malaria prevention and control in the community. However, a number of studies showed that there is a lack of competence from MCW in carrying out its duties. Knowledge, attitudes and practice (KAP) can represent the behavior about health services. Objective: This study aimed to assess the knowledge, attitudes and practice of the Malaria Community Worker towards prevention and control of malaria in Kokap, Kulon Progo. Methods: KAP survey with cross-sectional design was conducted in this study. CMW from Puskesmas Kokap I (n = 8) was asked to fill out a KAP questionnaire. Descriptive statistics and inferential tests were used to analyze the data. Data were analyzed by IBM SPSS Statistics Version 25. Results: The study found that 100% of respondents (n = 8) obtained high knowledge scores with the highest aspect on understanding about malaria and the lowest on diagnosis. The attitude score showed a moderate attitude for 100% of respondents (n = 8) with the highest aspect was fogging for malaria prevention and the lowest was the attitude that malaria is a serious disease. Meanwhile, the score of practice described good practice in 100% of respondents (n = 8) with the lowest part was compiling daily/weekly reports to the malaria program coordinator of Primary Health Care. From the observations, there was no significant correlation (p> 0.05) between demographic characteristics and between knowledge, attitudes and practice. Conclusion: The CMWs had a high knowledge score, moderate attitude, and good practice towards malaria prevention and control. Further studies with a larger sample are recommended for future study. CMW training is also recommended to improve the KAP of CMW.
VERTIGO SENTRAL: TINJAUAN TERKINI MENGENAI PATOFISIOLOGI DAN STRATEGI DIAGNOSIS Sutarni, Sri; Setyaningrum, Cempaka Thursina Srie; Ar Rochmah, Mawaddah; Bayuangga, Halwan Fuad
Majalah Kedokteran Neurosains Perhimpunan Dokter Spesialis Saraf Indonesia Vol 41 No 5: Edisi Suplemen Neurona Bekerjasama dengan JogjaCLAN 2025
Publisher : PERDOSNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52386/neurona.v41i5.865

Abstract

Recent advances have fundamentally reshaped the clinical and pathophysiological landscape of central vertigo, moving beyond a simplistic brainstem model to a sophisticated understanding of a distributed central vestibular network. This network, encompassing the brainstem, cerebellum, thalamus, and cortex, provides a robust framework for explaining how disruptions from stroke, demyelination, or functional disorders produce diverse symptoms. In parallel, diagnostic paradigms have evolved dramatically. The advent of quantitative ocular motor testing, epitomized by the HINTS protocol and enhanced by video-head impulse testing (vHIT), now allows for highly sensitive bedside identification of central causes in acute settings. Furthermore, advanced neuroimaging techniques, including optimized diffusion-weighted and vessel wall MRI, have revolutionized our ability to detect subtle posterior fossa infarcts and vascular pathology. These mechanistic and technological insights have also refined our perspective on specific syndromes, solidifying vestibular migraine and persistent postural-perceptual dizziness (PPPD) as central disorders of sensory integration. Ultimately, the integration of this modern network-based pathophysiology with targeted diagnostic tools is establishing a new standard of care, significantly improving diagnostic accuracy, enabling timely intervention, and guiding future therapeutic development for patients with central vertigo. Keywords: Vestibular network, HINTS examination, neuroimaging, acute vestibular syndrome, central vertigo
PROFIL SEROLOGI MYASTHENIA GRAVIS: TINJAUAN ATAS TIPE, KARAKTERISTIK, DAN RELEVANSI KLINIS AUTOANTIBODI Asmedi, Ahmad; Bayuangga, Halwan Fuad
Majalah Kedokteran Neurosains Perhimpunan Dokter Spesialis Saraf Indonesia Vol 41 No 5: Edisi Suplemen Neurona Bekerjasama dengan JogjaCLAN 2025
Publisher : PERDOSNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52386/neurona.v41i5.869

Abstract

Myasthenia gravis (MG) is an autoimmune disorder of the neuromuscular junction characterized by muscle weakness and fatigability. Understanding the serological profile of MG is key to accurate diagnosis and management. This literature review discusses the types and characteristics of autoantibodies in MG and their clinical relevance. Autoantibodies against the acetylcholine receptor (Anti-AChR) are the most common, found in the majority of generalized MG cases, and their pathogenesis involves antigenic modulation, ligand blockade, and complement activation. This subtype has a strong correlation with thymic abnormalities such as hyperplasia and thymoma. Autoantibodies against MuSK and LRP4 define other MG subtypes with distinct clinical phenotype, MuSK-MG often presents with severe bulbar symptoms, while LRP4-MG tends to be milder. A recommended diagnostic approach is algorithmic, starting with Anti-AChR testing, followed by Anti-MuSK and Anti-LRP4 in seronegative cases. Mapping this serological profile enables neurologists to achieve a precise diagnosis, predict disease course, and determine personalized therapy strategies, including the choice of immunomodulators and evaluation for thymectomy. Thus, serological classification has become the foundation of a precision neurology approach in managing myasthenia gravis. Keywords: Anti-AChR, Anti-LRP4, Anti-MuSK, Myasthenia gravis, Thymoma
PENDEKATAN TERKINI DALAM DIAGNOSIS DAN TATA LAKSANA NEUROSIFILIS Satiti, Sekar; Bayuangga, Halwan Fuad; Aifa, Bardatin Lutfi
Majalah Kedokteran Neurosains Perhimpunan Dokter Spesialis Saraf Indonesia Vol 41 No 5: Edisi Suplemen Neurona Bekerjasama dengan JogjaCLAN 2025
Publisher : PERDOSNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52386/neurona.v41i5.871

Abstract

Neurosyphilis is a manifestation of Treponema pallidum infection involving the central nervous system which may occur at any stage of syphilis. This condition remains a global health concern with increasing incidence, particularly among individuals coinfected with human immunodeficiency virus (HIV). Its broad and often nonspecific clinical spectrum poses significant challenges for both diagnosis and management. This review discusses current approaches to the diagnosis and management of neurosyphilis based on the latest guidelines from the Centers for Disease Control and Prevention (CDC), the British Association of Sexual Health and HIV (BASHH), and the European Guidelines. The diagnosis of neurosyphilis is established through the integration of clinical findings, treponemal and nontreponemal serologic tests, and cerebrospinal fluid (CSF) analysis. Parenteral penicillin G for 10–14 days remains the first-line therapy in all major international guidelines. Ceftriaxone, doxycycline, or a combination of amoxicillin and probenecid may serve as alternative regimens in patients with penicillin allergy, although penicillin desensitization is still recommended whenever feasible. Corticosteroids, such as prednisolone, may be used prophylactically to prevent the Jarisch–Herxheimer reaction. Post-treatment monitoring through periodic clinical, serologic, and CSF evaluations is essential to ensure eradication of infection and prevent reinfection. A comprehensive diagnostic approach, early detection, appropriate antimicrobial therapy, and long-term follow-up are key determinants for improving outcomes in patients with neurosyphilis. Keywords: neurosyphilis, Treponema pallidum, neurosyphilis diagnosis, penicillin G, ceftriaxone
MIXED HOLMES AND CEREBELLAR TREMOR FOLLOWING RESECTION OF A FOURTH VENTRICULAR MEDULLOBLASTOMA: A CASE REPORT S, Subagya; Bayuangga, Halwan Fuad; Pradhani, Distya Nugrahening; Vidyanti, Amelia Nur
MNJ (Malang Neurology Journal) Vol. 12 No. 2 (2026): July
Publisher : PERDOSSI (Perhimpunan Dokter Spesialis Saraf Indonesia Cabang Malang) - Indonesian Neurological Association Branch of Malang cooperated with Neurology Residency Program, Faculty of Medicine Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.mnj.2026.012.02.20

Abstract

Background: Movement disorders following posterior fossa tumor resection are rare complications. Case Report: A 25-year-old male with obstructive hydrocephalus secondary to a fourth ventricular mass initially underwent ventriculoperitoneal shunting. Three months later, he presented with impaired consciousness and focal impaired awareness seizures manifesting as jerking in the left arm. Brain MRI showed a solid cystic extra-axial mass within the fourth ventricle, compressing the pons and cerebellum. He subsequently underwent a suboccipital decompressive craniectomy with transvermian tumor removal. Histopathology confirmed a Desmoplastic/Nodular Medulloblastoma, CNS WHO Grade 4. The post-operative course was complicated by persistent involuntary movements of the left shoulder that were initially considered refractory focal seizures and did not respond to oral antiseizure medications. Discussion: Detailed clinical evaluation revealed that the abnormal movements represented a mixed movement disorder rather than epileptic seizures. The movement in the left shoulder was consistent with Holmes tremor, a rhythmic tremor with a frequency of approximately 6 to 8 Hz, suggesting involvement of the red nucleus and nigrostriatal pathways. In addition, the left arm showed cerebellar intention tremor with dysmetria, which had previously been interpreted as seizure related jerking. This finding indicated disruption of the cerebello thalamo cortical pathway. These hyperkinetic movements improved after treatment with propranolol and topiramate alongside levetiracetam. Conclusion: This case illustrates a rare presentation of mixed Holmes and cerebellar tremors after medulloblastoma resection. Careful clinical evaluation is essential to differentiate these movements from seizures and guide appropriate treatment.