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An Implementation Science Study of a Heat-Producing Wrap to Complement KMC in Rwanda Cover

An Implementation Science Study of a Heat-Producing Wrap to Complement KMC in Rwanda

Open Access
|Jul 2024

Figures & Tables

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Figure 1

Essential Newborn Care 2 Assessment and Continuing Care.

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Figure 2

Low Literacy Instructions for Preparation and Use of the Dream Warmer (DreamWarmer™ – Global Newborn Solutions).

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Figure 3

Study Design.

Table 1

Number of Responses to Surveys and Audits.

SURVEY / AUDITNUMBER OF RESPONSES
Hospital Admission Data Pre Warmer2398
Hospital Admission Data Post Warmer1294
Warmer Use Audit281
Warmer Non-Use Audit188
HCP Pre Warmer Survey49
HCP Post Warmer Survey90
Parent Pre Warmer Survey49
Parent Post Warmer Survey97
Table 2

Hospital Admission Data Pre and Post Warmer.

HOSPITAL DATA PRE AND POST WARMER
OutcomeHospitaln: 2398n: 1294
Pre WarmerPost WarmerPre WarmerPost Warmer
%%p*
HypothermicAll sites34.634.5
EuthermicAll sites5755.7
HyperthermicAll sites8.49.8
Mean ± SEMean ± SEp*
Admission temperature CSites w/ pre + post data3336.41 ± 0.0336.53 ± 0.030.002
All sites6336.46 ± 0.0236.53 ± 0.03
Hospital 152637536.74 ± 0.0436.84 ± 0.050.14
Hospital 244649136.74 ± 0.0536.76 ± 0.050.75
Hospital 342842335.76 ± 0.0536.00 ± 0.050.0005
Hospital 442636.38 ± 0.05
Hospital 530236.68 ± 0.06
Hospital 625236.45 ± 0.06
% ± SE% ± SEp*
Euthermia at admission†Hospital 152637570 ± 270 ± 20.88
Hospital 244649163 ± 263 ± 20.97
Hospital 342842327 ± 234 ± 20.02
Hospital 442666 ± 2
Hospital 530269 ± 3
Hospital 625240 ± 3
Median (min−max)Median (min−max)p*
Length of stayHospital 15263745 (0−69)6 (0−64)0.77
Hospital 24514945 (1−39)5 (0−68)0.63
Hospital 34124026 (0−60)6 (0−77)0.46
Hospital 44264 (0−60)
Hospital 53025 (1−51)
Hospital 62524 (0−39)
% ± SE% ± SEp*
In-hospital mortalityHospital 152637510 ± 17 ± 10.19
Hospital 24514942 ± 14 ± 10.2
Hospital 343340410 ± 112 ± 20.31
Hospital 44268 ± 1
Hospital 53029 ± 2
Hospital 625213 ± 2

[i] *From factorial analysis of variance (temperature, log-transformed length of stay) or multiple logistic regression (euthermia, mortality), stratified with interaction terms to allow for variability among hospitals.

[ii] †Euthermia: 36.5−37.5 ºC.

Table 3

Warmer Use Audit.

WARMER USE AUDITN: 281
Pre-existing safety concernsn: 266
     Yes (milial rash)2 (1%)
     No264 (99%)
Ongoing safety concerns during/after Warmer usen: 270
     Yes (milial rash)1 (1%)
     No269 (99%)
Mattress placed in thermos prior to adding boiled watern: 281
     Yes278 (99%)
     No3 (1%)
Mattress prepared in advance of needn: 280
     Yes263 (94%)
     No17 (6%)
Mean time to prepare the Warmer when not ready in advance (minutes)
31 minutes | SD: 10 minutes, range: 5–60
Temperature indicator used correctlyn: 278
     Yes273 (98%)
     No5 (2%)
Deviation from normal usen: 270
     Yes (blanket placed between infant and Warmer)2 (1%)
     No268 (99%)
Body temperature (°C) at start of Warmer use
mean: 35.9 °C, SD: 0.8°C, range: 32.0 °C–37.2 °C
Maximum body temperature (°C) during Warmer use
mean: 36.7 °C, SD: 0.5°C, range: 33.4° C–37.9 ° C
Duration of Warmer use
mean: 2h 03m, SD: 1h 16 m, range: 02m–6h 0m
Reasons for Warmer discontinuationn: 276
    Mother requested to resume KMC178 (64%)
    Warmer became cold43 (16%)
    Other55 (20%)
     Electric heat source became available24 (9%)
     Warmer used for transport then infant was admitted23 (8%)
     Infant was not warming5 (2%)
     Infant reached euthermia3 (1%)
Warmer cleaned correctlyn: 260
     Yes251 (97%)
     No9 (3%)
Problemsn: 202
    None142 (70%)
    Warmer not available when needed (not prepared in advance)17 (8%)
    Water scarce for use to heat mattress10 (5%)
    Necessary supplies to clean Warmer scarce9 (4%)
    Component of Warmer shows signs of breakdown (leakage…)2 (1%)
    Other21 (11%)
     Not enough kettles7 (3%)
     Lack of training6 (3%)
     Not enough Warmers4 (2%)
     Warmer prep time (too long)4 (2%)
     Baby not warming1 (1%)
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Figure 4

Initial and Maximum Temperature on Warmer.

Table 4

Warmer Non-Use Audit.

WARMER NON-USE AUDITN: 216*
Warmer not prepared in advance61 (28%)
Did not have time to use37 (17%)
Insufficient time to boil water36 (17%)
Forgot to use Warmer35 (16%)
All Warmers were already in use24 (11%)
Absence of electricity9 (4%)
Warmer efficacy concerns9 (4%)
Water too scarce3 (1%)
Family member declined use1 (1%)
Safety concerns1 (1%)

[i] * 188 respondents provided 216 reasons for Non-Use because they could choose more than 1 answer.

Table 5a

Health Care Provider Survey (Pre and Post).

HCP PRE AND POST WARMER SURVEY
Pre Warmer – n: 49 (100%)Post Warmer – n: 90 (100%)
What is the lowest normal temperature for a baby?n: 48n: 22
       Correct35 (73%)15 (68%)
         < 36.535 (73%)15 (68%)
       Incorrect13 (27%)7 (32%)
         < 35.53 (6%)4 (18%)
         <34.55 (10%)1 (5%)
         other5 (10%)2 (10%)
Importance for keeping baby at a normal temperaturen: 49n: 23
       Very important44 (90%)21 (91%)
       Important5 (10%)2 (9%)
       Neutral00
       Unimportant00
       Very unimportant00
Confidence of using KMC to keep baby warmn: 49n: 23
       Very confident17 (35%)16 (70%)
       Confident26 (53%)7 (30%)
       Neutral4 (8%)0
       Unconfident2 (4%)0
       Very unconfident00
Feelings about helping mothers provide KMCn:49n: 23
       Like it a lot43 (88%)23 (100%)
       Like it a little4 (8%)0
       Neutral2 (4%)0
       Dislike it a little00
       Dislike it a lot00
Overall feelings about taking care of a small/sick babyn: 49n: 23
       Very confident26 (53%)16 (70%)
       Confident22 (45%)7 (30%)
       Neutral1 (2%)0
       Unconfident00
       Very unconfident00
Rate in which small/sick babies gain weight in hospital/health centern: 49n: 23
       Very fast10 (20%)8 (35%)
       Fast18 (37%)15 (65%)
       Neutral7 (14%)0
       Slow12 (24%)0
       Very slow2 (4%)0
Table 5b

Additional Health Care Provider Post Warmer Survey Questions.

HCP POST WARMER SURVEY (ADDITIONAL QUESTIONS)N: 90
Very easyEasyNeutralDifficultVery difficult
Learning and remembering how to use the Warmer45 (51%)40 (45%)2 (2%)2 (2%)0
Preparing the Warmer47 (53%)35 (39%)2 (2%)5 (6%)0
Prepare the Warmer in advance24 (32%)40 (53%)4 (5%)7 (9%)0
Using the temp indicator to determine if safe for use47 (53%)34 (38%)7 (8%)1 (1%)0
Cleaning the Warmer41 (46%)41 (46%)7 (8%)1 (1%)0
Warmer’s affect on ability to perform other required duties during shifts22 (24%)43 (48%)14 (16%)11 (12%)0
Very effectiveEffectiveNeutralIneffectiveVery Ineffective
Ability of Warmer to keep baby warm43 (48%)46 (52%)000
Very comfortableComfortableNeutralUncomfortableVery Uncomfortable
Comfort of mother using Warmer while providing KMC21 (23%)52 (58%)13 (14%)3 (3%)1 (1%)
Very oftenOftenNeutralAlmost neverNever
Warmer used instead of KMC when thermoregulation algorithm indicated to use KMC12 (16%)21 (27%)12 (16%)7 (9%)25 (32%)
Strongly promotesPromotesNeutralDiscouragesStrongly Discourages
Warmer effect on:
  breastfeeding24 (31%)45 (58%)4 (5%)5 (6%)0
  ability to provide KMC23 (29%)39 (50%)9 (12%)7 (9%)0
  mother/infant bonding23 (29%)41 (52%)9 (11%)6 (8%)0
  mother’s sense of well-being22 (28%)45 (58%)10 (13%)1 (1%)0
  mother’s physical recovery after childbirth21 (27%)53 (67%)5 (6%)00
  Mother’s confidence baby will survive and thrive22 (25%)56 (63%)9 (10%)1 (1%)1 (1%)
YesNo
Does the Warmer look safe81 (100%)0
Does the Warmer look well built82 (100%)0
Concerns about Warmer working in your setting3 (9%)27 (90%)
Table 5c

Healthcare Provider Post Warmer Survey – Free-Response Answers.

CATEGORY + ANSWERN: 199 (100%)
What did you like?n: 71
  Effectively warms/prevents hypothermia45 (63%)
  Easy to use13 (18%)
  Design (shape, size, material, portability)10 (14%)
  Other3 (4%)
    comfortable with KMC1
    safe to use in transit from community hospitals1
    provides heat while mother recovers1
What did you dislike?n: 69
  Preparation (time)27 (39%)
  Difficult to use6 (9%)
  Design (shape, size, color)3 (4%)
  Uncomfortable2 (3%)
  Other9 (13%)
    make electric1
    not functioning properly (leakage)1
    concerned about water usage3
    need more training1
    cleaning2
    transportation is not easy1
  No dislikes22 (32%)
What would you change?n: 59
  Design20 (34%)
    length12
      shorter2
      unspecified10
    shape1
    color6
    weight1
  Duration of warmth3 (5%)
  More training2 (3%)
  Decrease prep time8 (14%)
  Other3 (5%)
    increase quantity of Warmers2
    make it single use1
  No changes23 (42%)
Table 6a

Parent Survey (Pre and Post).

PARENT PRE AND POST WARMER SURVEY
Pre Warmer – n: 49 (100%)Post Warmer – n: 97 (100%)
Is it important to keep your baby’s temperature in a normal range?n: 48n: 31
    Yes48 (100%)29 (94%)
    No00
    I don’t know02 (6%)
Have you been providing KMC?*n: 49n: 97
    Yes48 (98%)20 (21%)
    No1 (2%)11 (11%)
    Missing066 (68%)
How much do you like providing KMC for your baby?n: 47n: 20
    Very much32 (68%)15 (75%)
    Much15 (32%)5 (25%)
    Neutral00
    Little00
    Very little00
Do you feel confident providing warmth through KMC?n: 48n: 20
    Very confident29 (60%)12 (60%)
    Confident17 (35%)7 (35%)
    Neutral2 (4%)1 (5%)
    Unconfident00
    Very unconfident00
How well do you think your baby is gaining weight in the hospital?n: 49n: 31
    Very well21 (43%)12 (38%)
    Well25 (51%)14 (45%)
    Neutral3 (6%)4 (13%)
    Poorly01 (3%)
    Very poorly00
Do you feel confident in having an adequate milk supply?n: 49n: 31
    Very confident18 (37%)7 (23%)
    Confident22 (45%)18 (58%)
    Neutral8 (16%)1 (3%)
    Unconfident1 (2%)4 (13%)
    Very unconfident01 (3%)
Overall how do you feel as the parent of your newborn baby?n: 49n: 31
    Very confident32 (65%)15 (48%)
    Confident14 (29%)13 (42%)
    Neutral2 (4%)1 (3%)
    Unconfident1 (2%)2 (6%)
    Very unconfident00
How have you felt physically since your baby was born?n: 49n: 31
    Very rested6 (12%)1 (3%)
    Rested18 (37%)14 (45%)
    Neutral10 (20%)7 (23%)
    Tired14 (29%)5 (16%)
    Very tired1 (2%)4 (13%)

[i] * Due to the large percentage of missing data, we calculated parents reporting that they did not perform KMC in the numerator, and total responses in the denominator.

Table 6b

Additional Parent Post Warmer Survey Questions.

PARENT POST WARMER SURVEYN: 97
Very wellWellNeutralPoorlyVery poorly
How did the Warmer work to keep your baby warm? (n: 97)50 (52%)39 (40%)4 (4%)4 (4%)0
Strongly promotesPromotesNeutralDiscouragesStrongly Discourages
What was the Warmer’s effect on:
   your ability to provide KMC (n: 96)39 (41%)31 (32%)22 (23%)4 (4%)0
   your ability breastfeeding (n: 96)34 (35%)38 (40%)20 (21%)4 (4%)0
   bonding with your baby (n: 97)43 (44%)28 (29%)19 (20%)7 (7%)0
   your sense of well-being (n: 97)40 (41%)40 (41%)16 (16%)1 (1%)0
   your physical recovery after childbirth (n: 87)50 (57%)29 (33%)8 (9%)00
   your confidence that your baby will survive and thrive (n: 84)52 (62%)21 (25%)11 (13%)00
YesNo
Does the warmer look safe? (n: 81)80 (99%)1 (1%)
Does the warmer look well built? (n: 81)81 (100%)0
Table 6c

Post Warmer Parent Survey – Free Response.

CATEGORY + ANSWERN: 189 (100%)
What did you like?n: 67
  Effectively warms/prevents hypothermia32 (42%)
  Easy to use18 (27%)
  Comfortable6 (22%)
  Other11 (16%)
    Helps mother:3
      Provide KMC1
      Bond with baby1
      Recover after childbirth1
    Portable7
    Shape and size1
What did you dislike?n: 64
  Prep time/ease of use17 (27%)
  Heavy13 (20%)
  Uncomfortable5 (8%)
  Hard when cold3 (5%)
  Other5 (8%)
    Size2
    Doesn’t support KMC1
    Make it electric1
    Separates me from my baby1
No dislikes21 (33%)
What would you change?n: 58
Design26 (45%)
  Color9
  Smoother5
  Smaller4
  Resize (unspecified)4
  Longer3
  Lighter1
Other12 (21%)
  More Warmers in hospital3
  Be able to fully wrap the baby2
  More comfortable for KMC1
  Softer to allow breastfeeding while baby is on Warmer1
  Make a part that covers the head1
  Easier to prepare4
No changes20 (34%)
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DOI: https://doi.org/10.5334/aogh.4430 | Journal eISSN: 2214-9996
Language: English
Submitted on: Mar 18, 2024
Accepted on: Jul 3, 2024
Published on: Jul 29, 2024
Published by: Ubiquity Press
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2024 Florent Rutagarama, Cyiza Francois Regis, Christian Umuhoza, Lisine Tuyisenge, Cynthia Grace Mfuranziza, Pacifique Hagenimana, Micaela Matteo Smith, Henry A. Feldman, Anne R. Hansen, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.