Related Experiment Videos
[Clinical experiences of granulocyte colony stimulating factor for granulocytopenia after AC bypass]
M Yamamura1, K Aoki, T Asakura
1Department of Surgery, Cardiovascular Institute, Tokyo, Japan.
Insights
Granulocyte Colony Stimulating Factor (G-CSF) effectively treated granulocytopenia in three patients post-coronary artery bypass graft (CABG) surgery. Further research is needed to optimize G-CSF administration protocols for these patients.
Area of Science:
- Cardiovascular Surgery
- Hematology
- Pharmacology
Background:
- Granulocytopenia, a decrease in granulocyte count, can occur post-coronary artery bypass (CAB) surgery.
- Managing post-operative granulocytopenia is crucial for patient recovery and preventing complications.
Observation:
- Three male patients (ages 54-75) developed granulocytopenia after CAB surgery.
- Granulocyte counts ranged from 135/mm³ to 624/mm³ on post-operative days 13-39.
- Patients received varying doses and durations of Granulocyte Colony Stimulating Factor (G-CSF) intravenously or subcutaneously.
Findings:
- All three patients showed an increase in granulocyte counts within days of G-CSF administration.
- G-CSF treatment was successful in resolving granulocytopenia in these post-CAB surgery cases.
- No transfusions were required except in one case, suggesting G-CSF's potential to reduce transfusion needs.
Implications:
- Granulocyte Colony Stimulating Factor (G-CSF) appears to be an effective treatment for granulocytopenia following coronary artery bypass surgery.
- Different administration routes and dosages of G-CSF were explored, indicating potential flexibility in treatment.
- More clinical experience and data are required to establish optimal G-CSF treatment guidelines for post-CAB surgery patients.
Abstract:
We have successfully treated 3 cases of granulocytopenia, using Granulocyte Colony Stimulating Factor (G-CSF) after AC bypass surgery. All cases were male, aged 68, 75 & 54 years old, and underwent AC bypass surgery without transfusion except in case 1. Granulocyte cell counts decreased to 135/mm3 on 39th post-operative days (POD) in case 1, 624/mm3 on 13 rd POD in case 2, and 514/mm3 on 20th POD in case 3. In case 1, 300 micrograms of G-CSF was given intravenously for 3 days. In case 2, 100 micrograms of G-CSF for 1 day and 50 micrograms for 3 days was given subcutaneously, and in case 3, 100 micrograms of G-CSF was also given subcutaneously for 2 days. And their granulocyte cell counts all increased within few days. G-CSF is effective for patients with granulocytopenia after AC bypass surgery, but we need more experiences to know the best way of administration.