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Identification of risk factors for intraoperative and postoperative hypotension in patients undergoing transurethral bladder surgery after oral 5-aminolevulinic acid (5-ALA): a single-centre retrospective study

Identification of risk factors for intraoperative and postoperative hypotension in patients undergoing transurethral bladder surgery after oral 5-aminolevulinic acid (5-ALA): a single-centre retrospective study - Identification of risk factors for intraoperative and postoperative hypotension in patients undergoing transurethral bladder surgery after oral 5-aminolevulinic acid (5-ALA): a single-centre retrospective study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000057441
Enrollment
200
Registered
2025-03-28
Start date
2023-01-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Bladder and urethral cancer

Interventions

None listed

Sponsors

Nagasaki University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who underwent TURBT or cystoscopic biopsy for bladder or urethral cancer between 01/01/2023 and 31/12/2024

Exclusion criteria

Exclusion criteria: 1.In the case of the same patient undergoing multiple transurethral bladder surgeries with PDD during the research period, from the second time onwards 2.In the case of the same patient undergoing multiple transurethral bladder surgeries without PDD during the research period, from the second time onwards

Design outcomes

Primary

MeasureTime frame
Presence or absence of intraoperative hypotension (defined as systolic blood pressure of less than 80 mmHg or use of vasopressor agents)

Secondary

MeasureTime frame
Presence or absence of post-operative hypotension (defined as cases where hypotension persisted after the operation and it was necessary to continue infusion in the operating theatre, cases where the first systolic blood pressure after returning to the ward was less than 80 mmHg, or cases where continuous vasopressor administration was required after the operation)

Countries

Japan

Contacts

Public ContactMadoka Makino

Nagasaki University Hospital Department of Anesthesiology

mmakino9494@nagasaki-u.ac.jp095-819-7370

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026