What question did this study set out to answer?

To evaluate the relationship between admission blood glucose levels and epicardial versus microvascular blood flow following primary angioplasty in patients with ST-segment elevation myocardial infarction.

January 1, 2006Chinese Medical JournalOpen Access

The influence of admission glucose on epicardial and microvascular flow after primary angioplasty

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Why the study?

Does elevated admission glucose impair epicardial and microvascular flow in STEMI patients undergoing primary angioplasty?

Population

308 patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary angioplasty

Comparison

Elevated admission glucose levels vs Normal admission glucose level

Design

Cohort

Authors

XSXuhua ShenWorld Wide Web Consortium SJSan-qing JiaCapital Medical University HLHongwei LiCapital Medical University

Discussion

Member takes

Implication

May warrant microvascular-focused risk assessment beyond epicardial flow in hyperglycemic STEMI; leaves open whether glucose control improves perfusion.

Key Points

To evaluate the relationship between admission blood glucose levels and epicardial versus microvascular blood flow following primary angioplasty in patients with ST-segment elevation myocardial infarction.
Analyzed 308 patients presenting with ST-segment elevation myocardial infarction who underwent primary percutaneous coronary intervention (PCI).
Stratified patients into three cohorts based on admission glucose levels: group 1 (< 7.8 mmol/L), group 2 (7.8–11.0 mmol/L), and group 3 (≥ 11.0 mmol/L).
Post-PCI TIMI 3 flow in the infarct-related artery did not differ significantly across groups (89.7% vs 86.0% vs 86.3%, P = NS), though corrected TIMI frame count was higher in groups 2 and 3.
Impaired microvascular perfusion (TMPG 0–1) occurred significantly more often in hyperglycemic cohorts compared with normal glucose patients (30.9% and 29.0% vs 17.3%, P < 0.05).
Patients with elevated admission glucose exhibited significantly less complete ST-segment resolution and less frequent early T-wave inversion after PCI.

Structured PICO

Does elevated admission glucose impair epicardial and microvascular flow in STEMI patients undergoing primary angioplasty?

Population

308 patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary angioplasty

Intervention

Elevated admission glucose levels (Group 2: 7.8 - 11.0 mmol/L; Group 3: ≥ 11.0 mmol/L)

Comparator

Normal admission glucose level (Group 1: < 7.8 mmol/L)

Outcome

Epicardial and microvascular flow after primary angioplasty (assessed by TIMI flow, corrected TIMI frame count [CTFC], TIMI myocardial perfusion grade [TMPG], ST-segment resolution, and early T wave inversion)surrogate

Elevated admission glucose in STEMI patients is independently associated with impaired microvascular flow after primary PCI, despite restored epicardial patency.

Cite This Study

Shen et al. (2006) studied this question.

synapsesocial.com/papers/6a760809b1c5cc4eb2b1d996 https://doi.org/10.1097/00029330-200601020-00002

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Implication

May warrant microvascular-focused risk assessment beyond epicardial flow in hyperglycemic STEMI; leaves open whether glucose control improves perfusion.

The influence of admission glucose on epicardial and microvascular flow after primary angioplasty

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

The influence of admission glucose on epicardial and microvascular flow after primary angioplasty

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider