Table 1 Characteristics of the selected studies.

From: Normal ranges of left atrial phasic strains and strain rates by 2D speckle-tracking echocardiography in pediatrics: a systematic review and meta-analysis

No

Authors

Years

Country

N

Age

Age category

Male (%)

Weight (kg)

Height (cm)

BMI (kg/m2)

BSA (m2)

HR (bpm)

SBP (mmHg)

DBP (mmHg)

LVEDVI (ml/m2)

LVEF (%)

LVMI (gr/m2)

LAVI (mL/m2)

1

Khoo et al.

2013

Canada, USA

14

7 ± 5 (1–14) days

Neonate

0.22 ± 0.01

131 ± 12

13

5.2 ± 2.9 (2.3–10.3) months

Infant

0.31 ± 0.06

139 ± 20

12

4.0 ± 0.6 y (3.3–4.7) y

Children

0.70 ± 0.05

95 ± 16

12

4.7 ± 1.3 y (1.6–5.5) y

Children

0.79 ± 0.16

91 ± 12

2

Kutty et al.

2013

USA

24

0.2 ± 0.2 y ≤ 1 y

Infant

46

4.8 ± 2.1

56.4 ± 7.2

14.6 ± 2.7

0.3 ± 0.1

144.3 ± 14.1

68.5 ± 5.5

21

3.4 ± 1.1y (1–5) y

Children

57

17.2 ± 6.8

99.5 ± 10.8

16.9 ± 4.1

0.7 ± 0.2

106.2 ± 16.9

68.1 ± 3.8

29

7.0 ± 1.3 (5–10) y

Children

62

26.6 ± 9.8

120.8 ± 10.8

18.1 ± 5.5

0.9 ± 0.2

81.8 ± 10.6

67.4 ± 4.8

45

12.6 ± 1.4 y (10–15) y

Children

71

50.9 ± 16.0

157.1 ± 11.8

20.4 ± 5.5

1.5 ± 0.3

75.7 ± 14.8

64.7 ± 3.5

3

Mahfouz et al.

2015

Egypt

60

11.8 ± 4.1 y (6–18) y

Children

17.9 ± 2.9

105 ± 10

65 ± 7

75 ± 11

29.2 ± 5.4

4

D’Ascenzi et al.

2016

Italy

37

10.2 ± 0.2 y

Children

100

41.5 ± 12.0

142.2 ± 8.3

1.27 ± 0.20

77 ± 12

104 ± 12

66 ± 8

16.2 ± 2.4

5

Kang et al.

2018

Republic of Korea

20

7.1 ± 2.2 y

Children

45

0.90 ± 0.23

89 ± 21

111 ± 5

66 ± 3

66.5 ± 6.1

70.4 ± 13.7

34.5 ± 10.5

6

Cantinotti et al.

2019

Italy

141

378

200

2–5 y

5–11 y

11–18 y

Children

Children

Children

52.5

54.5

53.5

7

Sabatino et al.

2019

UK

45

10.4 ± 4.7 y (0–17)

Children

40

1.2 ± 0.5

85 ± 15

60 ± 4

17.7 ± 4.9

8

Jimbo et al.

2020

Japan

112

13 y (IQR:10–14) (6–16)

Children

46.4

42.5 ± 12.7

153.9 (IQR: 140.2–162.4)

1.3 ± 0.3

69.0 ± 11.8

107.6 ± 10.2

61.2 ± 7.8

79.0 ± 5.3

25.4 ± 3.9

9

Ifuku et al.

2021

Japan

15

9.6 (5.3–14.5) y

Children

73.3

30.0 (15.2–55.1)

130 (100–166)

16.7 ± 2.0

1.04 (0.65–1.61)

68.4 ± 12.2

97 ± 8

56 ± 12

58.5 (53.7–63.3)

65.5 ± 4.6

64.2 ± 11.5

21.3 ± 4.1

10

Matsubara

2022

USA

60

11.5 ± 3.9 y

Children

55

76 ± 15

111 ± 11

62 ± 8

65 ± 4

11

Aristizábal-Duque et al.

2022

Spain

For LA strains: 156

For pLASr, pLAScd: 153

For pLASct: 152

11 ± 3 y (6–17)

Children

50

38 ± 13

142 ± 16

18 ± 2.7

1.2 ± 0.27

108 ± 10

49.5 ± 8.4

65 ± 4

58.6 ± 15.2

17.3 ± 4.6

12

Chang et al.

2022

Taiwan

29

5.9 ± 0.6 y (5–6)

Children

59

0.81 ± 0.10

91.8 ± 14.5

100.7 ± 9.6

65.2 ± 7.2

13

Ficial et al.

2022

Italy

30

24.0 ± 0.4 h

Neonates

43.7

3.224 ± 0.412

125 ± 17

74 ± 5

34 ± 3

57.9 ± 4.6

14

Minocha et al.

2022

USA

11

15 y (IQR:10–17)

Children

36.4

52 (IQR:47.7–64)

162 (IQR:154–182)

64 (IQR:58–65)

15

Luo et al.

2023

China

30

8.47 ± 3.75 y (3–14)

Children

60

25.32 ± 7.63

124.89 ± 14.64

17.64 ± 4.74

1.08 ± 0.32

91.60 ± 5.01

100.40 ± 10.12

60.93 ± 5.94

71.07 ± 3.22

17.22 ± 4.24

16

Chen et al.

2023

China

23

9.42 ± 3.15 y (4–15)

Children

86.9

36 (IQR:19–47)

1.2 (IQR:0.77–1.4)

91.57 ± 8.88

98.57 ± 5.88

68 (IQR:61–80)

56 (IQR:55–60)

15.99 ± 2.79

17

Sabatino et al.

2023

Italy

107

11.0 ± 4.3 y

Children

62

1.3 ± 0.4

65.0 ± 5

17.7 ± 4.9

No

Authors

Years

Country

E/A

E/e’, (site of measurement)

Frame rate (Hz)

Vendor

Software

Probe

Gating

Views

Number of evaluated segments

Trackability (%)

Method of calculation

Measured deformation index

Disease/condition studied

Control group

1

Khoo et al.

2013

Canada, USA

1.21 ± 0.23

1.17 ± 0.23

1.86 ± 0.43

1.80 ± 0.31

15 ± 5, (lateral)

11 ± 5, (lateral)

10 ± 2, (lateral)

9 ± 1, (lateral)

102 ± 33

GE, Vivid 7

EchoPAC version 7.1

PP

A4C

6 segments

Global

LASr, LAScd, LASct, pLASRr, pLASRcd, pLASRct

Perifontan surgery

Subjects with normal physical examination, electrocardiography, and echocardiography findings, no family history of cardiomyopathy

2

Kutty et al.

2013

USA

92 ± 30

GE, Vivid 7

EchoPAC BT11

PP

A2C, A3C, A4C

15 segements

Average

LAScd, LASct

Inclusion criteria: normal echocardiography findings

Exclusion criteria: cardiac disease, systemic diseases, hypertension

3

Mahfouz et al.

2015

Egypt

1.3 ± 0.2

6.2 ± 1.4, (average septal and lateral)

> 150

GE, Vivid 7

EchoPAC

1.7/3.4 MHz

RR

A2C, A4C

12 segments

Average

LASr

Obesity

Inclusion criteria: body mass index below the 85th percentile

Exclusion criteria: any medical problem, hypertension, diabetes mellitus, hereditary or inflammatory systemic diseases, endocrine abnormalities, disorders, cardiac systolic and diastolic dysfunction, sleep apnea

4

D’Ascenzi et al.

2016

Italy

GE, Vivid 9

EchoPac, version 112

M4S 1.5–4.0 MHz

RR

A2C, A4C

12 segments

Average

LASr, LASct

Endurance athletes

Inclusion criteria: Sedentary boys

Exclusion criteria: hypertension, diabetes mellitus, endocrine abnormalities, or family history of cardiac disease

5

Kang et al.

2018

Republic of Korea

2.2 ± 0.8

5.0 ± 1.0, (unknown)

70

Siemens, Acuson SC 2000

velocity vector imaging (version 3.0, Siemens)

RR

A4C

3 segments

Average

LASr

Kawasaki disease

Exclusion criteria: structural cardiac abnormalities

6

Cantinotti et al.

2019

Italy

Philips, iE33

QLAB 9

5–8 Hz

RR

A4C

7 segments

93.9–96.5

LASr, LASct

Exclusion criteria: Any evidence of congenital or acquired cardiac disease, neuromuscular disease, connective tissue diseases, genetic syndromes, chromosomal anomalies, obesity, drug usage, pulmonary or systemic hypertension, family history of genetic cardiac diseases, non-Caucasian subjects

7

Sabatino et al.

2019

UK

1.8 ± 0.5

6.2 ± 1.2, (average septal and lateral)

50–80

Philips, iE33

TomTec 2-D (Cardiac Performance Analysis version 1.2.1.2)

S5-1, S8-3, S12-4

RR

A4C

LASr, pLASRr

Hypertrophic or restrictive or dilated cardiomyopathy

Exclusion criteria: drug usage, abnormal cardiac evaluation, electrocardiography, echocardiogram

8

Jimbo et al.

2020

Japan

1.8 ± 0.4

5.7 ± 1.3, (lateral)

93.5 ± 21

CANON

2D Cardiac Performance Analysis, TomTec Imaging system

2.5–5 MHz

PP

A4C

3 segments

80

Global

LASr, LAScd, LASct, pLASRr, pLASRcd, pLASRct

Children without cardiac disease in history and physical examinations

9

Ifuku et al.

2021

Japan

2.4 (1.7–3.4)

5.9 ± 1.2, (average septal and lateral)

70–95

GE, E90

EchoPAC 113 1.0

M5S or 6 S

PP

A2C, A4C

12 segments

Global

LASr, LAScd, LASct

Diabetets mellietus Type 1

Healthy children

10

Matsubara

2022

USA

6.5 ± 1.4, (average septal and lateral)

54 ± 6

Philips, Affiniti 70 C or EPIQ CVx

2D CPA 1.3.0.91; TomTec Imaging Systems

RR

A4C

Global

LASr

Multisystem inflammatory syndrome

Healthy children

11

Aristizábal-Duque et al.

2022

Spain

1.9 (IQR:1.6–2.1)

6.4 ± 1.1 (unkown)

> 60

Philips, iE33

QLAB 13 (TOMTEC auto-strain software)

S5-1

RR

A4C

6 segments

98.1–97.4

Global

LASr, LAScd, LASct

Exclusion criteria: cardiopulmonary or systemic or, congenital diseases, family history of sudden cardiac death or cardiomyopathy

12

Chang et al.

2022

Taiwan

2.0 ± 0.6

7.2 ± 1.2, (average medial and lateral)

78.1 ± 3.1

GE

EchoPAC version 10.8

2-4 MHz

RR

A4C

6 segments

Average

LASr

Preterms

Exclusion criteria: chromosomal abnormalities, congenital cardiac or pulmonary diseases, and neuromuscular diseases

13

Ficial et al.

2022

Italy

1.0 ± 0.2

8.2 ± 2.0, (average medial and lateral)

100–130

Philips, EPIQ

Tomtec Arena, version TTA2 41.00

12 MHz

RR

A4C, A2C

LASr, LAScd, LASct

preterms

Exclusion criteria: supplemental oxygen requirement, respiratory support, need for inotropes or vasopressors, intrauterine infection, sepsis, congenital anomalies, congenital cardiac disease except for patent foramen ovale, small or large for gestational age, intrauterine growth retardation, pulmonary hypertension, neonates of diabetic mothers

14

Minocha et al.

2022

USA

Philips Affinity, Philips ie33, Philips Lumify, or the Siemens Acuson

TOMTEC Imaging Systems Image‑Arena

RR

A4C

6 segment

Average

LASr

Multisystem Inflammatory Syndrome

Children with normal hearts

15

Luo et al.

2023

China

1.66 ± 0.30

7.70 ± 0.76, (septal)

Philips, EPIQ 7

RR

A4C, A2C

12 segments

LASr, LAScd, LASct, pLASRr, pLASRcd, pLASRct

Healthy children

16

Chen et al.

2023

China

1.57 (IQR:1.49–1.63)

GE, E9

EchoPAC 204

M5S

RR

A4C, A2C

Global

LASr, LAScd, LASct

Healthy children

17

Sabatino et al.

2023

Italy

1.8 ± 0.51

6.2 ± 1.3, (unkown)

GE, Vivid E9

EchoPac 202

RR

A4C, A2C

12 segments

Global

LASr

Coronavirus disease-19

Children with no drug usage and normal electrocardiography and echocardiography

  1. A2C apical 2-chamber view, A3C apical 3-chamber view, A4C apical 4-chamber view, BMI body mass index, BSA body surface area, DBP diastolic blood pressure, E/A early-to-late diastolic mitral velocity ratio, HR heart rate, LA left atrium, LAScd left atrial conduit phase strain, LASct left atrial contraction phase strain, LASr left atrial reservoir phase strain, LAVI left atrial volume index, LVEDVI left ventricular end-diastolic volume index, LVEF left ventricular ejection fraction, LVMI left ventricular mass index, pLASRcd peak left atrial conduit phase strain rate, pLASRct peak left atrial contraction phase strain rate, pLASRr peak left atrial reservoir phase strain rate, SBP systolic blood pressure.
  2. *When the data were presented as the interquartile range (IQR), we cited them; otherwise, we presented the minimum and maximum values of the data.
  3. – The item of mean values was not defined by the authors.