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Present methods of instruction in first aid

Kingsbury AN

Journal of the Malaya Branch of the British Medical Association, 1941;5:14-18.

Matched MeSH terms: Tourniquets
Fulltext Does negative IgM dengue serology rule out dengue fever in an adult with fever for three days?

Teng CL, Wong CH

Malays Fam Physician, 2013;8(3):26-27.
PMID: 25883762 MyJurnal

A 21-year old medical student consults the doctor for a fever that started 3 days ago. The fever was high grade and associated with generalised body aches. There was no gum bleeding. He mentioned that mosquito fogging was conducted in his neighbourhood recently.Physical examination revealed an alert conscious young man. Temperature (oral): 38.9 ͦ C, blood pressure 100/70 mmHg, pulse rate 90/min, good volume. Mild flushing was noted. No petechiae were seen in his legs. Tourniquet test was positive.

Matched MeSH terms: Tourniquets
Fulltext Toe-tourniquet syndrome: A rare potentially devastating entity

Baloch N, Atif M, Rashid RH, Hashmi PM

Malays Orthop J, 2015 Nov;9(3):55-57.
PMID: 28611912 DOI: 10.5704/MOJ.1511.008

Toe-tourniquet syndrome is a rare and commonly misdiagnosed condition caused by a hair or a fiber wrapped around digits (fingers and toes). A four months baby girl who was crying and presented with redness and swelling at her 2nd and 3rd toes of right foot. Child had red and swollen 2nd and 3rd toes of right foot with hair end protruding through wounds. Constricting hairs were cut and removed. Toetourniquet syndrome is a rare entity which is caused by hair wrapped around a toe or a digit. Diagnosis is mostly clinical. In order to prevent this condition to happen, education of parents and clinicians is a cornerstone.

Matched MeSH terms: Tourniquets
Fulltext The comparison of discomfort level between upper arm and forearm tourniquet

Ng ES, Ting JR, Foo SL, Akram SA, Fadzlina AA, Alywiah JS, et al.

Med J Malaysia, 2006 Dec;61 Suppl B:23-6.
PMID: 17600989

The conventional upper arm tourniquet used for hand and wrist operations may cause significant discomfort to patient when the procedure is performed under local anaesthesia. Forearm tourniquet causes less muscle ischeamia and pain. The discomfort experienced while using a forearm and upper arm tourniquet was assessed in 96 healthy subjects. Tourniquet placed on both sides was inflated sequentially to 250mmhg for five minutes on different hand. The discomfort level was assessed using a small visual analogue scale and complications were recorded. In the upper arm tourniquet, 24.9% had mild, 60.5% had moderate and 14.6% had severe pain whereas with forearm tourniquet, 99% had mild pain and only 1% had moderate pain. Seventy-nine percent of the subjects tested with forearm tourniquet had no discomfort at all. The average discomfort level for upper arm and forearm tourniquet was 4.72 and 0.39 respectively, which is statistically significant. Complications that were observed only in upper arm tourniquet included prolonged tingling, burning sensation and discomfort and stiffness of the upper limb. We concluded that forearm tourniquet was safe and well tolerated and should be used more often when indicated.

Matched MeSH terms: Tourniquets/standards*
Serial tourniquet testing in dengue haemorrhagic fever: how clinically useful is it?

Norlijah Othman, Nor Khamisah, A., Kamarul Azhar, Sinniah, Mangalam, Lekhraj, Rampal

Malaysian Journal of Paediatrics and Child Health, 2005;14(1):27-32.
MyJurnal

Dengue haemorrhagic fever (DHF) is a severe viral illness with significant morbidity and mortality especially among children in Southeast Asia. The tourniquet test is recommended by the World Health Organisation (WHO) as an initial clinical screening procedure for patients suspected to have DHF, particularly in patients with DHF grade I. The aim of this study was to evaluate the validity of the tourniquet test as a predictor of DHF and also to assess the usefulness of repeated, serial tourniquet testing as a diagnostic indicator of DHF. Individuals included into this study were children from the Institute of Paediatrics, Kuala Lumpur who were admitted on a clinical suspicion of DHF based on the WHO criteria and who had serology for Dengue IgM performed. A standard method of tourniquet was performed on these patients on a daily basis following admission. A total number of 60 patients were considered for analysis and of these the tourniquet test was positive in 50 patients and negative in the remaining 10 patients. Sensitivity of the test was found to be 85.4% and the specificity was 25%. Further assessment of the predictive value of the test showed that the positive predictive value (PPV) was 82% while the negative predictive value (NPV) was 30%. In conclusion, a positive tourniquet test, serially performed on a daily basis was found clinically to be a useful preliminary screening tool for DHF as recommended by WHO. However its specificity was low and consequently led to a high false positive rate.

Matched MeSH terms: Tourniquets
Fulltext Hair Thread Tourniquet Syndrome in an Infant: Emergency Exploration Saves Limbs

Kesu Belani L, Leong JF, Narin Singh PSG, Abdullah S

Cureus, 2019 Dec 13;11(12):e6377.
PMID: 31938655 DOI: 10.7759/cureus.6377

Hair thread tourniquet syndrome (HTTS) is a rare condition where fibres constrict around appendages causing ischaemia and necrosis. It is a sporadically reported condition, where almost all reported cases showed involvement of fingers, toes or genitalia. A significant number of the cases are infants aged two weeks to six months where it is attributed to the mother's excessive hair fall due to hormonal changes after delivery. We present a two-month-old infant who was irritable for the past two days with her left ring finger exhibiting an ischaemic constriction with no apparent insulting agent. She successfully treated surgically after we suspected an incomplete removal of hair thread in the emergency department. We would like to highlight the importance of a high index of suspicion in cases as such as early intervention saves the appendage.

Matched MeSH terms: Tourniquets
A randomized controlled trial of trigger finger release under digital anesthesia with (WALANT) and without adrenaline

Mohd Rashid MZ, Sapuan J, Abdullah S

J Orthop Surg (Hong Kong), 2019 3 12;27(1):2309499019833002.
PMID: 30852960 DOI: 10.1177/2309499019833002

BACKGROUND:: Trigger finger release utilizing wide-awake local anesthesia no tourniquet (WALANT) usage in extremity surgery is not widely used in our setting due to the possibility of necrosis. Usage of a tourniquet is generally acceptable for providing surgical field hemostasis. We evaluate hemostasis score, surgical field visibility, onset and duration of anesthesia, pain score, and the duration of surgery and potential side effects of WALANT.
METHODS:: Eighty-six patients scheduled for trigger finger release between July 2016 and December 2017 were randomized into a control group (1% lignocaine and 8.4% sodium bicarbonate with arm tourniquet; given 10 min prior to procedure) and an intervention group (1% lignocaine, 1:100,000 of adrenaline and 8.4% sodium bicarbonate; given 30 min prior to procedure), with a total of 4 ml of solution injected around the A1 pulley. The onset of anesthesia and pain score upon injection of the first 1 ml were recorded. After the procedure, the surgeon rated for the hemostasis score (1-10: 1 as no bleeding and 10 being profuse bleeding). Duration of surgery and return of sensation were recorded.
RESULTS:: Hemostasis score was grouped into visibility score as 1-3: good, 4-6: moderate, and 7-10: poor. The intervention group (with adrenaline) had a 74% of good surgical field visibility compared to 44% from the controlled group (without adrenaline; p < 0.05). Duration of anesthesia was longer in the intervention group (with adrenaline), with a 2.77-h difference.
CONCLUSION:: WALANT provides excellent surgical field visibility and is safe and on par with conventional methods but without the usage of a tourniquet and its associated discomfort.

Matched MeSH terms: Tourniquets
Fulltext Repeated tourniquet testing as a diagnostic tool in dengue infection

Norlijah O, Khamisah AN, Kamarul A, Mangalam S

Med J Malaysia, 2006 Mar;61(1):22-7.
PMID: 16708730 MyJurnal

Prospective evaluation of repeated standard tourniquet testing as a diagnostic indicator of dengue infection was done. Included were patients admitted to a children's hospital in Kuala Lumpur on a clinical suspicion of dengue infection based on the World Health Organization (WHO) criteria. A standard method of tourniquet was performed on 79 patients on a daily basis following admission. subjects and negative in the remaining 14 subjects. Fifty-eight subjects were serologically confirmed cases, 4 indeterminate and the remaining 17 subjects had negative serology. For diagnostic classification, 13 had dengue fever, 49 with dengue haemmorhagic fever (DHF) while 17 had non-dengue infection. The sensitivity and specificity of the tourniquet test was 82.8% and 23.5% respectively. The positive predictive value (PPV) was 78.7% while the negative predictive value (NPV) was 28.6%. In addition, the tourniquet test aided in the diagnosis of one-fifth of patients with DHF, who presented with a positive tourniquet test as the only bleeding manifestation. It seems that in a hospital setting, the tourniquet test adds little to the diagnosis of dengue infection/DHF. A positive tourniquet test, repeatedly performed, was found clinically useful as a preliminary screening test in dengue infection as recommended by WHO. However, it was not very specific and had a high false positive rate.

Matched MeSH terms: Tourniquets*
Fulltext Classifying dengue: a review of the difficulties in using the WHO case classification for dengue haemorrhagic fever

Bandyopadhyay S, Lum LC, Kroeger A

Trop Med Int Health, 2006 Aug;11(8):1238-55.
PMID: 16903887 DOI: 10.1111/j.1365-3156.2006.01678.x

BACKGROUND: The current World Health Organisation (WHO) classification of dengue includes two distinct entities: dengue fever (DF) and dengue haemorrhagic fever (DHF)/dengue shock syndrome; it is largely based on pediatric cases in Southeast Asia. Dengue has extended to different tropical areas and older age groups. Variations from the original description of dengue manifestations are being reported.
OBJECTIVES: To analyse the experience of clinicians in using the dengue case classification and identify challenges in applying the criteria in routine clinical practice.
METHOD: Systematic literature review of post-1975 English-language publications on dengue classification.
RESULTS: Thirty-seven papers were reviewed. Several studies had strictly applied all four WHO criteria in DHF cases; however, most clinicians reported difficulties in meeting all four criteria and used a modified classification. The positive tourniquet test representing the minimum requirement of a haemorrhagic manifestation did not distinguish between DHF and DF. In cases of DHF thrombocytopenia was observed in 8.6-96%, plasma leakage in 6-95% and haemorrhagic manifestations in 22-93%. The low sensitivity of classifying DHF could be due to failure to repeat the tests or physical examinations at the appropriate time, early intravenous fluid therapy, and lack of adequate resources in an epidemic situation and perhaps a considerable overlap of clinical manifestations in the different dengue entities.
CONCLUSION: A prospective multi-centre study across dengue endemic regions, age groups and the health care system is required which describes the clinical presentation of dengue including simple laboratory parameters in order to review and if necessary modify the current dengue classification.

Matched MeSH terms: Tourniquets
Effects of Blood Flow Restriction Training on Muscle Strength and Pain in Patients With Knee Injuries: A Meta-Analysis

Li S, Shaharudin S, Abdul Kadir MR

Am J Phys Med Rehabil, 2021 Apr 01;100(4):337-344.
PMID: 33727516 DOI: 10.1097/PHM.0000000000001567

BACKGROUND: Due to the pain caused by knee injuries, low-load resistance training with blood flow restriction (L-BFR) may be a potential adjuvant therapeutic tool in the rehabilitation of knee injuries. This review aimed to analyze the effectiveness of L-BFR training modality in knee rehabilitation.
DESIGN: A meta-analysis was conducted to determine the potential impact of blood flow restriction on patients with knee injuries. PubMed, EBSCO, and Web of Science databases were searched for eligible studies from January 2000 until January 2020. The mean differences of the data were analyzed using Revman 5.3 software with a 95% confidence interval.
RESULTS: Nine studies fulfilled the inclusion criteria. These studies involved 179 patients who received L-BFR, 96 patients who underwent high-load resistance training, and another 94 patients who underwent low-load resistance training. The analysis of pooled data showed that patients in both the L-BFR (standardized mean difference, 0.83 [0.53, 1.14], P < 0.01) and high-load resistance training (standardized mean difference, -0.09 [-0.43, 0.24], P = 0.58) groups experienced an increase in muscle strength after the training. In addition, pain score was significantly reduced in the L-BFR group compared with the other two groups (standardized mean difference, -0.61 [-1.19, -0.03], P = 0.04).
CONCLUSIONS: Muscle strength increased after L-BFR and high-load resistance training compared with low-load resistance training. Furthermore, pain score was significantly reduced after L-BFR. Hence, L-BFR is a potential intervention to be applied in rehabilitation of knee injuries.

Matched MeSH terms: Tourniquets