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Prevalence of Rheumatic Heart Disease and Other Cardiac Conditions in Low-Risk Pregnancies in Kenya: A Prospective Echocardiography Screening Study Cover

Prevalence of Rheumatic Heart Disease and Other Cardiac Conditions in Low-Risk Pregnancies in Kenya: A Prospective Echocardiography Screening Study

Open Access
|Feb 2021

Figures & Tables

Figure 1

Study inclusion/exclusion flow diagram.

Table 1

Demographic and medical characteristics of study population (N = 601 women).

CharacteristicNo.PercentMeanSD
Demographics
Age26.65.7
Gravida2.21.4
Parity1.01.3
Highest education level
    None203.3
    Primary11118.5
    Secondary24841.3
    Diploma14023.3
    University degree8213.6
Occupation
    Unemployed386.3
    Homemaker16828.0
    Student8514.1
    Employed31051.6
Married/cohabitating56894.5
Health insurance29749.4
Current pregnancy
Gestational age, GA (weeks)25.39.5
GA at first visit (weeks)17.47.2
Medications
    CCB30.5
    HAART457.5
    Other213.5
Previous medical history
Suspected cardiac condition274.5
Rheumatic fever history122.0
Any non-cardiac condition9716.2
    Diabetes10.2
    Anaemia193.2
    Chronic hypertension10.2
    Preeclampsia61.0
    Pulmonary condition152.5
    Thyroid condition10.2
    Sickle cell disease10.2
    HIV457.5
    Other condition183.0
    Mid-trimester loss325.3
Table 2

Case frequency and prevalence of RHD and other cardiac lesions (N = 601 women).

Echocardiography findingsNo. cases (%)Prevalenceb (95% CI)
RHD-associated lesionsa3 (0.5)5.0 (1.0–14.5)
    severe MS, severe TR, PAH1
    severe MS, moderate MR+TR, PAH1
    moderate AR1
Non-RHD lesions10 (1.7)16.7 (8.0–30.4)
    moderate TR5
    moderate MR1
    BAV, mild AR2
    PDA1
    unroofed coronary sinus1
    Total clinically-relevant lesions13 (2.2)21.6 (11.6–36.7)

[i] a Lesions that meet RHD case definition.

b Prevalence per 1,000 pregnant women.

Table 3

Medical history and vital signs of women with and without cardiac lesions (N = 601).

CharacteristicCases (n = 13)Non-cases (n = 588)p-value
Age (mean, SD)25.4 (4.87)26.7 (5.69)0.43  
BMI, m2/kg (mean, SD)24.3 (3.21)25.8 (4.52)0.24  
Symptomatica (n, %)2 (15.4)60 (10.2)0.54  
Previous medical history
Rheumatic fever (n, %)1 (7.7)11 (1.9)0.14  
Suspected cardiac condition (n, %)3 (23.1)24 (4.1)0.001*
Other medical condition (n, %)2 (15.3)95 (16.2)0.94  
Mid-trimester loss (n, %)0 (0)32 (5.4)0.49  
Vital signs
HR (mean, SD)85 (9.8)89 (13.0)0.31  
sBP (mean, SD)98 (12.0)106 (13.4)0.03  
dBP (mean, SD)73 (18.2)70 (9.9)0.25  
SaO2, % (mean, SD)94.3 (7.5)95.7 (2.0)0.05  

[i] a Any chest pain, shortness-of-breath, palpitations, vertigo, light-headedness.

* Statistically significant following Benjamini-Hochberg correction for multiple comparisons.

DOI: https://doi.org/10.5334/gh.826 | Journal eISSN: 2211-8179
Language: English
Submitted on: May 19, 2020
Accepted on: Jan 25, 2021
Published on: Feb 9, 2021
Published by: Ubiquity Press
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2021 John W. Snelgrove, Joy Marsha Alera, Michael C. Foster, Kipchumba C. N. Bett, Gerald S. Bloomfield, Candice K. Silversides, Felix A. Barasa, Astrid Christoffersen-Deb, Heather C. Millar, Julie G. Thorne, Rachel F. Spitzer, Rajesh Vedanthan, Nanette Okun, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.