NCT07239375 Intraosseous Infusion in Hematologic Critical Patients

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What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 52 participants in total. It began in 2025-11-22 with a primary completion date of 2027-10-22.

Brief Summary

This single-center, prospective observational study will enroll 52 critically hematology patients aged 18-65 years including agranulocytosis, thrombocytopenia, severe anemia, advanced tumors, septic shock, sepsis DIC、 severe gastrointestinal bleeding, involvement of the central nervous system or intracranial hemorrhage, patients undergoing hematopoietic stem cell transplantation，etc. Vascular access will be established via intraosseous (IO) needle placement, primarily to evaluate first-attempt puncture success rate, therapeutic efficacy, and overall survival rate. Secondary endpoints include infusion speed, hemodynamic improvement, and procedural complications such as local infection and fat embolism. The study aims to definitively assess the efficacy and safety of IO infusion as a rapidly established, "non-collapsible" alternative vascular access route in the hematologic intensive care setting.

Eligibility Criteria

Inclusion Criteria: * 1\. Age: 18 to 65 years old. 2. Critically patients with hematologic diseases, including:① Highly suspected or diagnosed patients with rapidly progressing highly lethal hematological diseases;② Patients with hematological disorders complicated by severe complications, including agranulocytosis, thrombocytopenia, severe anemia, advanced tumors,septic shock, sepsis, DIC、 severe gastrointestinal bleeding, involvement of the central nervous system or intracranial hemorrhage, etc;③ Patients with hematological diseases combined with important organ dysfunction, including respiratory failure, heart failure, renal failure, liver failure, etc;④ Patients undergoing hematopoietic stem cell transplantation or those experiencing serious complications in new immunotherapy, such as hyperacute graft-versus-host disease (GVHD), grade 3-4 cytokine release syndrome (CRS) or immune effector cell associated neurotoxicity syndrome (ICANS), grade 3-4 immune checkpoint inhibitor associated interstitial lung disease, etc;⑤ Other critically patients who require life support and 24-hour monitoring. Exclusion Criteria: * 1\. Fracture at the intended puncture site (due to the risk of fluid extravasation into subcutaneous tissues). 2\. Extensive soft tissue injury at the intended puncture site, resulting in insufficient anatomical landmarks for safe puncture. 3\. Local infection in the intended puncture area. 4. History of major orthopedic surgery in the intended puncture region. 5. Presence of a local prosthetic implant. 6. A site previously used for intraosseous (IO) access within the last 24 hours (to avoid re-puncture).

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