comparing blood loss in two different surgical techniques for kidney stones

comparing blood loss in percutaneous nephrolithotomy performed in classic prone position and modified prone (prone hip flexion) position

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20220304054180N1

Enrollment

126

Registered

2022-07-23

Start date

2022-07-16

Completion date

Unknown

Last updated

2022-08-29

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

Conditions

Percutaneous nephrolithotomy positioning.

Interventions

Intervention 1: Intervention group: undergo Percutaneous nephrolithotomy surgery with modified prone positioning. Intervention 2: Control group: Intervention group: undergo Percutaneous nephrolithotom

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: patient being a candidate for Percutaneous nephrolithotomy treatment minimum age of 18 years old

Exclusion criteria

Exclusion criteria: patient suffering from coagulopathy anatomical defect that doesn't allow suitable positioning prior hip surgery making positioning impossible single kidney patients patients with ectopic kidney

Design outcomes

Primary

Measure	Time frame
Hemoglobin. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood sample.;Hematocrit. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood samples.;Perioperative blood loss. Timepoint: one day after surgery. Method of measurement: (pre operation hemoglobin - post operative hemoglobin)100BV.;Creatinine. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood sample.	—

Measure

Time frame

Hemoglobin. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood sample.;Hematocrit. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood samples.;Perioperative blood loss. Timepoint: one day after surgery. Method of measurement: (pre operation hemoglobin - post operative hemoglobin)*100*BV.;Creatinine. Timepoint: before surgery, 6 hours after the surgery and a day after surgery. Method of measurement: blood sample.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMehrdad Mohammadi Seichani

Esfahan University of Medical Sciences

m_mohammadi@med.mui.ac.ir0098 31 3792

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026