Table 1: Characters of including trials.

Author NameInpatient (Y/N)CourseExperiment groupControl groupNYHA classificationDisease durationFollowup (month)

Bao and Yu [61]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Chen [55]Unclear14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Chen and Liu [14]Y60 dConventional medicine treatment plus SFI 50 mL, qd, iv.gtt plus metoprolol 6.25 mg, bid, poConventional medicine treatment plus metoprolol 6.25 mg, bid,poII-III1–15 yNo
Chen and Li [51]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gtt plus sodium nitroprusside 50 mg, iv.gttConventional medicine treatment plus sodium nitroprusside 50 mg, iv.gttIVUnclearNo
Chen et al. [52]Y15 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IV4.5 y on averageNo
Chen et al. [56]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIII-IV1.5 month–8 yNo
Cui [86]Unclear10 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttDigoxigenin 0.25 mgII-III2–7 yNo
Deng and Tang [15]Y14 dConventional medicine treatment plus SFI 20–40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Di [67]UnclearUnclearConventional medicine treatment plus SFI 40 mL, bid, iv.gttConventional medicine treatmentII–IV3–17 yNo
Dou [97]Unclear10 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IV  yNo
Fan [60]Y21 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttMetoprolol 12.5 mg, bid, po, +captopril 12.5 mg, tid, poII–IVUnclearNo
Fan et al. [101]Unclear14 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Geng et al. [27]Both12 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IV0.5–9 yNo
Gu et al. [69]Y14 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatmentII–IV1.5–12 yNo
Guo et al. [49]Unclear14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Guo et al. [23]N7 dConventional medicine treatment plus SFI 20 mL, iv + 50 mL, qd, iv.gtt plus non invasive positive pressure ventilationConventional medicine treatment plus non invasive positive pressure ventilationUnclearUnclearNo
Guo et al. [102]Y7 dConventional medicine treatment plus SFI 40–60 mL, qd, iv.gtt plus invasive respiratory supportConventional medicine treatment plus invasive respiratory supportIVUnclearNo
Han and Li [36]Y15 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIII-IV  yNo
He [70]Unclear14 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IV1–14 yNo
He [98]Unclear7–20 d/10–30 dConventional medicine treatment plus SFI 20–40 mL, qd, iv.gttConventional medicine treatmentIII-IV3–16 yNo
Hong [44]Unclear14 dConventional medicine treatment plus SFI 80 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Hou and Hong [17]Unclear7 dConventional medicine treatment plus SFI 60–100 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Huang [13]Unclear7 dConventional medicine treatment plus SFI 20 mL iv + 40 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Huang [53]Y14 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Huang et al. [24]NUnclearConventional medicine treatment plus SFI 50 mL, qd, iv.gtt plus sodium nitroprusside 50 mg, iv.gttConventional medicine treatment plus sodium nitroprusside 50 mg, iv.gttUnclearUnclearNo
Jia and Yang [71]Y20 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Jian and Chen [88]Unclear14 dConventional medicine treatment plus SFI 60–80 mL, bid, iv.gttConventional medicine treatmentIII-IV6.5 y on averageNo
Jiang [62]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Jin and Guo [95]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Ju [37]Unclear14 dConventional medicine treatment plus SFI 30 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Lei and Li [92]Y7–10 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Lei et al. [12]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IV1–18 y3
Li et al. [9]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IV1–20 y3
Li et al. [72]Y15 dConventional medicine treatment plus SFI 30 mL, qd, iv.gttConventional medicine treatmentIII-IV5–26 yNo
Li [96]Unclear15 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Li et al. [73]Unclear15 dConventional medicine treatment plus SFI 100 mL, qd, iv.gtt plus sodium nitroprusside 50 mgConventional medicine treatment plus sodium nitroprusside 50 mgIVl–25 yNo
Li [93]Unclear10 dConventional medicine treatment plus SFI 1 mL/kg body weight, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Liu [75]Y21 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Liu and Sun [18]Unclear7 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatmentUnclearUnclearNo
Liu and Chan [50]Unclear14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Liu et al. [20]Y28 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IV9 month–14 yNo
Liu [74]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Liu et al. [94]Unclear14 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Lv [57]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Luo et al. [76]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatment plus sodium nitroprussideIII-IVUnclearNo
Luo et al. [38]Unclear10 d/m 6 monthsConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IV>3 months6
Ma et al. [48]Unclear20 dConventional medicine treatment plus SFI 30–40 mL, qd, iv.gttConventional medicine treatmentII-IIIUnclearNo
Ma and Huang [99]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Ma [77]Unclear15 dConventional medicine treatment plus SFI 20 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Pan et al. [89]Y14 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatment plus dobutamine hydrochloride 40 ng, qd, iv.gttII–IV2.5 month–11 yNo
Qiu [103]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Ru [46]Unclear10 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Shang [78]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Song [106]Y15 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII-IIIUnclearNo
Song et al. [10]Y15 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Su [90]Y14 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Tan et al. [58]Unclear14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Tian and Gong [16]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IV2–20 yNo
Tian [80]Y15 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIII-IV>7 monthsNo
Tu and Yang [63]Y14 dConventional medicine treatment plus SFI 80 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Tu et al. [32]Unclear14 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
G. L. Wang and J. Wang [104]Y15 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IV2.5–16 yNo
Wang [100]Y14 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentUnclear  yNo
Wang [39]Unclear15 dConventional medicine treatment plus SFI 40 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Wang [28]Both14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IV0.6–7 yNo
Wang and Ye [87]Y10 dConventional medicine treatment plus SFI 40–100 mL, qd, iv.gttConventional medicine treatmentIII-IV14.2 y meanNo
Wang et al. [81]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIV3–10 yNo
Wu and Duan [45]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII-IIIUnclearNo
Wu and Wang [64]Y14 dConventional medicine treatment plus SFI 100 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Wu et al. [40]Unclear10 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Yang and Wu [82]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Yang et al. [54]Y15 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IV5.1 yNo
Yao and Lu [65]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Yin [83]Y14 dConventional medicine treatment plus SFI 40 mL, qd, ivConventional medicine treatmentII–IV0.5–12 yNo
Yu et al. [84]Unclear14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Yu [66]Unclear14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Zhan and Yang [47]Unclear20 dConventional medicine treatment plus SFI 40 mL, qd, iv.gtt plus metoprolol. 25 mg–75 mg, bid poConventional medicine treatment plus metoprolol. 25 mg–75 mg, bid, poII-IIIUnclear12
Zhang [79]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IV3–15 yNo
Zhang et al. [85]Y20 dConventional medicine treatment plus SFI 30 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Zhang [42]Y21 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII-IIIUnclearNo
Zhang and Pan [30]Both14 dConventional medicine treatment plus SFI 40–60 mL, qd, iv.gttConventional medicine treatmentIII-IV2–16 yNo
Zhang [29]Both14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Zhang [43]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Zhao et al. [11]Y14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatment plus isoket 10 mg,qd,iv.gttII–IV1–20 y3
Zhao [91]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentUnclearUnclearNo
Zhou [59]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentIV3–15 yNo
Zhou [19]Y10 dConventional medicine treatment plus SFI 80 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Zhou et al. [31]Both14 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo
Zhu and Ma [105]Y15 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIII-IVUnclearNo
Zi and Li [41]Y14 dConventional medicine treatment plus SFI 40–100 mL, qd, iv or iv.gttConventional medicine treatment plus dobutamine hydrochloride 50–100 mgII–IVUnclearNo
Guo et al. [22]N14 dConventional medicine treatment plus SFI 60–100 mL, bid, iv.gttConventional medicine treatmentII–IVUnclearNo
Mo and Zhao [25]N7 dConventional medicine treatment plus SFI 60–100 mL, qd, iv.gttConventional medicine treatmentII–IV1–7 dNo
Song and Zhang [33]Y10 dConventional medicine treatment plus SFI 40–60 mL, qd, iv.gttConventional medicine treatment plus dobutamine hydrochloride 40 mgII–IVUnclearNo
Zeng et al. [34]Y7 dConventional medicine treatment plus SFI 50 mL, qd, iv.gttConventional medicine treatmentIVUnclearNo
Zeng [26]N10 dConventional medicine treatment plus SFI 60–100 mL, qd, iv.gttConventional medicine treatmentII–IV1–72 hNo
Zhang [35]Y14 dConventional medicine treatment plus SFI 60 mL, qd, iv.gttConventional medicine treatmentII–IVUnclearNo

Conventional medicine treatment includes sitting up position, supplemental oxygen, vasodilator such as nitroglycerine, diuretics such as furosemide, and cardiotonic agents such as lanatoside C, ACE inhibitors, and β-blockers.