Factors associated with mental confusion after surgeries for cancer treatment

Predictors of postoperative delirium in patients undergoing oncological surgery: a prospective longitudinal study at a cancer center

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

REBEC

Registry ID

RBR-34m423b

Enrollment

330

Registered

2023-08-04

Start date

2020-12-01

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Delirium Neoplasms

Interventions

The aim of this study is to identify and analyze the independent predictive factors associated with the development of postoperative delirium in patients undergoing oncological surgeries at a Cancer C

s surgical schedule to obtain a representative sample of this surgical population. The surgical schedule is made available by the surgical center&apos

s secretariat the night before the surgeries and lists, in ascending numerical order, all patients scheduled for surgery the following day. The surgical schedules of the two hospital units that have s

s anesthesiologist. The anesthesiologist will be assigned to perform the procedure by the surgical center coordinator and will be trained by the researcher to collect all relevant data and not to alte

Eligibility

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: patients over 18 years old; scheduled to undergo oncology surgeries.

Exclusion criteria

Exclusion criteria: refusal to participate in the study; patients undergoing other surgical-anesthetic procedures within the previous seven days; patients requiring another surgical-anesthetic procedure within the first seven postoperative days; patients with confirmed preoperative delirium; patients with confirmed diagnosis of dementia; patients under orotracheal intubation/mechanical ventilation in the preoperative period; patients remaining under orotracheal intubation/mechanical ventilation in the immediate postoperative period for more than 12 hours; neurological surgeries; emergency surgeries

Design outcomes

Primary

Measure	Time frame
It is expected to find the presence of postoperative delirium using the CAM evaluation method (Confusion Assessment Method). It will be considered present when the result is positive in this evaluation.	—

Secondary

Measure	Time frame
No secondary outcome expected	—

Countries

Contacts

Public ContactAlessandra de Oliveira

Fundação Antônio prudente- Hospital A.C.Camargo cancer Center

ensino.posgrad@accamargo.org.br+55112189-5000

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: Jun 11, 2026