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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Med Sci Sports Exerc. 2018 Sep;50(9):1940–1949. doi: 10.1249/MSS.0000000000001619

Table 3.

Conventional Function Parameters

Time Point

BR−2 BR7 BR21 BR31 BR70 BR+0 BR+3
LVSV, ml
  CONT 91.3 (81.4–101.2) 81.7 * (71.9–91.6) 74.6 * (64.3–84.9) 73.9 * (64.0) 75.3 * (65.5–85.2) 75.9 * (65.3–86.5) 84.6 * (74.6–94.7)
  Ex 88.9 (82.0–95.9) 89.7 (82.7–96.7) 93.1 (86.1–100.1) 96.0 (89.0–103.0) 91.6 (84.6–98.6) 81.9 (74.7–89.1) 95.2 (88.2–102.2)
  ExT 94.1 (83.4–104.8) 90.9 (80.2–101.6) 92.4 (81.4–103.3) 94.9 (84.2–105.6) 94.9 (84.1–105.6) 87.9 (77.0–98.9) 96.9 (86.2–107.6)
LVEF, %
  CONT 66.4 (64.3–68.6) 66.9 (64.8–69.0) 66.2 (63.8–68.6) 65.9 (63.8–68.1) 65.9 (63.8–68.0) 65.7 (63.1–68.3) 66.1 (63.8–68.3)
  Ex 62.4 (59.5–65.2) 65.9 (63.1–68.7) 66.6 (63.8–69.4) 66.1 (63.3–69.0) 67.3 (64.5–70.1) 63.5 (60.5–66.4) 64.2 (61.4–67.0)
  ExT 65.6 (61.6–69.5) 64.0 (60.0–67.9) 66.1 (62.0–70.1) 63.9 (59.9–67.8) 64.9 (61.0–68.9) 63.0 (58.9–67.0) 62.6 (58.7–66.6)
LV Sa (cm/s)
  CONT 10.4 (9.1–11.7) 10.8 (9.5–12.0) 11.1 (9.8–12.4) 10.2 (8.9–11.5) 11.0 (9.8–12.3) 12.9 * (11.7–14.2) 10.5 (9.3–11.8)
  Ex 10.3 (9.0–11.6) 11.6 (10.3–12.8) 11.3 (10.0–12.6) 11.3 (10.0–12.6) 12.4 (11.1–13.7) 12.6 (11.3–13.8) 10.7 (9.4–12.0)
  ExT 10.7 (9.1–12.2) 11.2 (9.6–12.8) 10.8 (9.3–12.3) 10.8 (9.2–12.3) 11.0 (9.4–12.5) 10.0 (8.5–11.5) 10.0 (8.4–11.5)
Transmitral E/A
  CONT 2.1 (1.8–2.4) 1.7 * (1.4–2.0) 1.4 * (1.1–1.7) 1.4 * (1.1–1.7) 1.4 * (1.1–1.6) 0.9 * (0.6–1.2) 1.7 * (1.4–2.0)
  Ex 2.0 (1.6–2.4) 2.0 (1.6–2.4) 1.9 (1.5–2.3) 1.9 (1.5–2.3) 1.6 (1.2–2.0) 1.6 (1.1–1.9) 2.0 (1.6–2.4)
  ExT 1.9 (1.5–2.4) 1.9 (1.4–2.4) 1.8 (1.3–2.3) 2.2 (1.8–2.7) 1.8 (1.4–2.3) 1.6 (1.2–2.1) 2.1 (1.6–2.6)
Mitral Deceleration (ms)
  CONT 207.6 (175.7–239.4) 208.7 (176.8–240.6) 212.8 (180.9–244.7) 207.2 (175.4–239.1) 229.8 (196.7–262.8) 160.6 * (128.7–192.5) 216.3 (184.4–248.2)
  Ex 220.4 (194.2–246.6) 206.4 (180.2–232.6) 208.6 (182.4–234.8) 201.3 (175.1–227.5) 198.3 (172.1–224.5) 209.8 (183.6–236.0) 220.5 (194.3–246.7)
  ExT 208.5 (179.3–237.8) 215.1 (185.9–244.4) 191.6 (162.3–220.8) 244.1 (214.9–273.4) 203.2 (173.9–232.4) 202.0 (172.7–231.2) 234.9 (205.6–264.1)
LV Ea (cm/s)
  CONT 14.7 (13.1–16.3) 12.0 * (10.4–13.6) 12.4 * (10.8–14.0) 11.5 * (9.9–13.1) 11.5 * (9.9–13.1) 11.3 * (9.7–12.9) 13.2 (11.6–14.8)
  Ex 15.3 (13.9–16.8) 14.7 (13.3–16.2) 13.4 (12.0–14.9) 15.7 (14.2–17.1) 14.1 (12.7–15.6) 13.0 (11.5–14.4) 15.1 (13.7–16.6)
  ExT 16.4 (14.5–18.3) 15.0 (13.1–16.8) 14.9 (13.0–16.8) 15.3 (13.5–17.2) 14.6 (12.8–16.5) 13.8 (11.9–15.7) 14.7 (12.8–16.6)

BR, bed rest day; LV, left ventricular; SV, stroke volume; EF, ejection fraction; Sa, lateral wall systolic peak tissue velocity; Ea, lateral wall early diastolic peak tissue velocity; RV, right ventricular. Values are mean and 95% CI.

*

p<0.007 vs. BR−2.