The addition of a process of dissecting the fatty tissue of the breast and pectoralis major muscle using an energy device in total mastectomy for breast cancer: Observation study

The addition of a process of dissecting the fatty tissue of the breast and pectoralis major muscle using an energy device in total mastectomy for breast cancer: Observation study - The addition of a process of dissecting the fatty tissue of the breast and pectoralis major muscle using an energy device in total mastectomy for breast cancer: Observation study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000056764

Enrollment

219

Registered

2025-01-25

Start date

2023-06-01

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer patients who received total mastectomy

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The following criteria must all be met. 1) Patients who have been diagnosed with breast cancer histopathologically 2) Patients who have undergone a total mastectomy and whose pectoralis major muscle was separated from the mammary fat tissue using a energy device *Subcutaneous total mastectomy is almost the same as a total mastectomy and is included in the total mastectomy category.

Exclusion criteria

Exclusion criteria: Exclusion criteria: Patients who meet any of the following criteria will be excluded from the study. 1) Patients who received preoperative systemic therapy 2) Patients who received preoperative radiation therapy 3) Patients who have opted out of the study by submitting a published opt-out document

Design outcomes

Primary

Measure	Time frame
Primary outcome: total amount until drain removal; Secondary outcomes: daily drain fluid output, operation time, blood loss, length of hospital stay, frequency of adverse events requiring intervention.	—

Countries

Japan

Contacts

Public ContactHiroaki Shima

Department of Surgery, Surgical Oncology and Science, Sapporo Medical University Department of Surgery, Surgical Oncology and Science, Sapporo Medical University

simahiro@sapmed.ac.jp011-611-2111

Outcome results