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Beta-blockers for heart failure: why you should use them more

Ong HT, Kow FP

J Fam Pract, 2011 Aug;60(8):472-7.
PMID: 21814642
Fulltext Beta-blockers for heart failure: an evidence based review answering practical therapeutic questions

Ong HT, Ong LM, Kow FP

Med J Malaysia, 2012 Feb;67(1):7-11.
PMID: 22582541 MyJurnal

Beta-blockers are underutilised in heart failure because clinicians may be unsure whether all beta-blockers are useful, how therapy should be initiated and whether beta-blockers are contraindicated in some patients. Bisoprolol, carvedilol and metoprolol succinate have been clearly proven to reduce mortality and hospitalisation in patients with Class II to IV heart failure; limited evidence also support short-acting metoprolol tartrate and nebivolol. Initiating dose should be very low (1.25 mg bisoprolol, 3.125 mg carvedilol, 12.5 mg metoprolol succinate) and increased gradually over weeks. Treatment benefit appears proportional to magnitude of heart rate reduction and thus target dose should be the maximum tolerated for adequate bradycardia. Even in decompensated heart failure or those with coexisting bronchospasm, beta-blockers are not contraindicated although the dose may have to be reduced or withheld temporarily. The consistent trial data should reassure clinicians and encourage them to confidently initiate beta blockers in patients with systolic heart failure.
Fulltext The Intention and Uptake of Colorectal Cancer Screening after a Brief Health Education Program in a Malaysian Primary Care Setting: A Population-Based Study

Chan MW, Chean KY, Kader Maideen SF, Kow FP

Asian Pac J Cancer Prev, 2021 Nov 01;22(11):3475-3482.
PMID: 34837902 DOI: 10.31557/APJCP.2021.22.11.3475

Colorectal cancer (CRC) is the most common cancer in men and the second most common cancer in women in Malaysia. A major challenge for CRC screening programs is to improve the screening participation rates. In Malaysia, the most critical barrier to the uptake of CRC screening is the lack of patient awareness. This study aimed to determine the intention and the uptake of CRC screening, and to explore the related motivators and barriers after raising awareness with a brief health education.
METHODS: An analytical cross-sectional study was conducted in a government health clinic of Penang from March to August 2019. Asymptomatic clinic attendees aged 50-75 years who had no prior awareness of CRC screening were recruited by systematic random sampling technique. Participants first received a standardised one to one health education, followed by an interview using a standardised questionnaire to assess their CRC screening intention and the relevant motivators and barriers. A submission of a sample for immunochemical faecal occult blood test (iFOBT) was considered as an uptake of the CRC screening.
RESULTS: A total of 546 participants participated in this study. The mean age of the participants was 62.8 (SD=6.36). Majority of them were females (57.3%), Chinese (78.6%), who had attained primary or higher education (92.0%) and had comorbidities (87.0%). After a brief health education, 231 participants (42.3%) agreed to undergo iFOBT. The actual screening uptake rate in this study was 28%. Perceived benefit of the test (84.4%) was the most common motivators, while self-perceived non-vulnerability was the biggest impediment to CRC screening intention. Physicians' recommendation was the perceived most effective way in raising CRC awareness.
CONCLUSION: Participants prefer physicians to provide health education. Standardised brief health education is inadequate to stimulate CRC screening adherence. Future interventions will require in-depth understanding of patients' beliefs, risk perception, and affective responses.
The impact of music guided deep breathing exercise on blood pressure control - A participant blinded randomised controlled study

Kow FP, Adlina B, Sivasangari S, Punithavathi N, Ng KK, Ang AH, et al.

Med J Malaysia, 2018 08;73(4):233-238.
PMID: 30121686 MyJurnal

INTRODUCTION: As pharmacological treatment of hypertension has become a burden worldwide, the study looked into nonpharmacological ways of reducing blood pressure. The objective was to determine if music guided, slow and deep breathing will reduce the blood pressure among patients with hypertension in eight weeks.
METHODS: A participant blinded, multi-centre, randomised controlled trial was conducted in which the participants in the intervention group (IG) practiced deep breathing exercise guided by sound cues and those in the control group (CG) listened to the music. The primary end point was reduction in blood pressure at eight weeks.
RESULTS: 87 patients, 46 males and 41 females with mean age of 61.1 years were recruited and 93.1% of them successfully completed the study. There was significant reduction in systolic and diastolic Blood Pressure from baseline by 8 weeks in both groups. The reduction in Mean systolic blood pressure (SBP) in the control arm was 10.5mmHg compared to 8.3mmHg (p<0.001) in intervention group. Diastolic blood pressure (DBP) reduction in control and intervention groups were 5.2 mmHg (p<0.001) and 5.6 mmHg (p<0.001) respectively. The absolute difference in SBP reduction from baseline in IG & CG was -2.2 (95%CI: -7.8 to 3.5) and DBP was -0.4 (95%CI: -2.9 to 3.6). However, blood pressure reduction between the two groups was not significant.
CONCLUSIONS: Both listening to music and deep breathing exercise were associated with a clinically significant reduction in SBP and DBP. However, deep breathing exercise did not augment the benefit of music in reducing BP.
Fulltext The feasibility of a public-private mix program on pulmonary tuberculosis screening in Penang: A pilot study

Tang WS, Chan MW, Kow FP, Ambigapathy R, Wong JHW, Thiruvengadam V, et al.

Malays Fam Physician, 2021 Mar 25;16(1):75-83.
PMID: 33948145 DOI: 10.51866/oa1096

Background: The low detection rate of tuberculosis (TB) cases in Malaysia remains a challenge in the effort to end TB by 2030. The collaboration between private and public health care facilities is essential in addressing this issue. As of now, no private-public health care collaborative program in pulmonary tuberculosis (PTB) screening exists in Malaysia.
Aim: To determine the feasibility of a collaborative program between private general practitioners (GPs) and the public primary health clinics in PTB screening and to assess the yield of smear-positive PTB from this program.
Methods: A prospective cohort study using convenient sampling was conducted involving GPs and public health clinics in the North-East District, Penang, from March 2018 to May 2019. In this study, GPs could direct all suspected PTB patients to perform a sputum acid fast bacilli (AFB) direct smear in any of the dedicated public primary health clinics. The satisfaction level of both the GPs and their patients were assessed using a self-administered client satisfaction questionnaire. IBM SPSS Statistical Software was used to analyze the data.
Results: Out of a total of 31 patients who underwent the sputum investigation for PTB, one (3.2%) was diagnosed to have smear-positive PTB. Most of the patients (>90%) and GPs (66.7%) agreed to continue with this program in the future. Furthermore, most of the patients (>90%) were satisfied with the program structure.
Conclusion: It is potentially feasible to involve GPs in combating TB. However, a more structured program addressing the identified issues is needed to make the collaborative program a success.