OT notes · Orthopaedics

Closed reduction and percutaneous pinning of supracondylar humerus fracture

Usual anaesthesia
General anaesthesia
Position
Supine, elbow resting on the inverted image intensifier used as the arm table
Setting
emergency

Operative note template for closed reduction and percutaneous K-wire pinning of a paediatric supracondylar humerus fracture, with a filled example for a Gartland type III extension-type fracture fixed with two lateral pins.

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Blank template

Follow this order in the case sheet. Tick the options that apply and fill the blanks.

Patient and case

  1. Name / Age / Sex
  2. UHID / IP no. / Ward-Bed
  3. Date of surgery / OT no.
  4. CaseElectiveEmergency (non-elective)if emergency, state urgency and reason
  5. Timesin OT ___ anaesthesia start ___ incision ___ closure ___ out of OT ___

Team

  1. Operating surgeonname, designation
  2. Assistant(s)
  3. Supervising consultantpresent in OT / available / not applicable
  4. Steps done by the residentwhole procedure / named steps, under whose supervision
  5. Anaesthetist
  6. Scrub nurse / circulating nurse

Diagnosis and procedure

  1. Pre-operative diagnosis
  2. Post-operative diagnosis
  3. Procedure planned
  4. Procedure performedif different from plan, state why
  5. Extra procedure done and reason'none' if none. Only to save life or health if not consented

Consent and safety checks

  1. Informed consentGeneralProcedure-specificHigh-riskAnaesthesiain a language the patient understands: language ___ witness ___
  2. Site / side markedYesNot applicable
  3. WHO Surgical Safety ChecklistSign inTime outSign out
  4. Antibiotic prophylaxisdrug, dose, route, time given before incision
  5. VTE prophylaxisMechanicalPharmacologicalNot indicated

Risks to explain in the consent for this operation

  • failure of closed reduction and need for open reduction
  • nerve injury: ulnar nerve with a medial pin, AIN, median or radial nerve
  • vascular problem and need for brachial artery exploration
  • compartment syndrome and Volkmann ischaemic contracture
  • pin-site infection, pin migration
  • loss of reduction
  • cubitus varus (gunstock) deformity
  • elbow stiffness

Pre-operative details for this operation

  1. Side, age, weightweight for drug dosing
  2. Fracture typeExtension, Gartland IIExtension, Gartland IIIExtension, Gartland IVFlexion typeopen or closed; ipsilateral forearm / wrist fracture
  3. Radial pulse and hand perfusion before surgeryRadial pulse present, hand pinkPulseless, pink warm handPulseless, pale cold hand (emergency)capillary refill in seconds, temperature, colour
  4. Nerve status before surgeryAIN (thumb IP and index DIP flexion, 'OK' sign), median sensation, radial (wrist, thumb and finger extension, first web space), ulnar (finger abduction, little finger sensation); write 'not assessable' if child will not cooperate
  5. Compartmentsforearm soft / tense; pain on passive finger stretch; agitation, anxiety, rising analgesic need
  6. Time of injury and time of surgeryif delayed, reason and neurovascular checks done while waiting
  7. Consent from parent / guardianname and relation; consent includes open reduction if needed

Anaesthesia and position

  1. AnaesthesiaGeneral
  2. PositionSupine, elbow on inverted image intensifierSupine with hand table (if open reduction likely)
  3. TourniquetNot usedSterile tourniquet available for open reductionif used: pressure and time
  4. C-armoperator; AP and lateral taken by rotating the shoulder, or C-arm rotated for unstable type IV

Operative findings

  1. Reduction obtainedanterior humeral line through capitellum, medial and lateral columns intact on oblique views
  2. Stability after pinningstressed and rotated under C-arm: stable / needed third pin
  3. Carrying angle compared with the other side
  4. Radial pulse and hand perfusion after reductionpulse present / absent, capillary refill, colour

Procedure (steps)

  1. Parts painted and draped
  2. Traction and correction in extensioncountertraction on arm; translation and varus / valgus corrected; rotation corrected by pronation or supination
  3. Flexion manoeuvreElbow flexed to about 120 degrees with anterior push on olecranon, forearm pronatedFlexion type: pinned in extension / push-pull
  4. C-arm check of reductionAP through forearm, oblique views of both columns, lateral by external rotation of shoulder; number of attempts
  5. Pin configurationTwo lateral divergent pinsThree lateral pinsCrossed: lateral + medialTransolecranon provisional pinpins divergent, bicortical, both columns engaged, at least 2 mm apart at fracture line
  6. K-wire size and numberdiameter, number, entry point
  7. Medial pin (if used)1 cm incision over medial epicondyle, soft tissue spread, ulnar nerve protected with retractor or drill sleeve; elbow not in maximal flexion
  8. Stability testelbow extended as far as possible, stressed and rotated under C-arm
  9. Pins cut and bent outside skinfinal C-arm images after bending; number saved
  10. Open reduction (if closed failed)Not neededAnterior approachOther approach (reason)number of closed attempts before opening

Closure, drains and dressing

  1. Pin sitesdressing; medial incision closed with absorbable suture
  2. ImmobilisationWell-padded posterior splintBivalved long arm castelbow angle (about 60 to 75 degrees, not hyperflexed)
  3. Radial pulse, hand perfusion and nerve status at endpulse, capillary refill, colour; AIN / radial / ulnar when child wakes

Specimens and implants

  1. K-wiresnumber, diameter, configuration, left outside skin; make, lot/batch, sticker
  2. C-arm images savednumber, final AP and lateral

End of procedure

  1. Estimated blood lossml
  2. IV fluids and blood / products givenfluids (ml); blood: type, units, bag nos.
  3. Swab, needle and instrument countCorrectIncorrect: action taken
  4. Intra-operative complications / difficultieswhat happened and what was done; 'none' if none
  5. Implant stickersNo implantAffixed in case sheet, OT register and for discharge summary
  6. Condition at end of surgery / shifted toPACUWardICU/HDU

Post-operative orders

  1. Limb elevationon pillow; elbow not hyperflexed
  2. Neurovascular watchradial pulse, capillary refill, colour, finger movement: frequency written
  3. Compartment syndrome watchagitation, anxiety, rising analgesic need, pain on passive finger stretch: inform surgeon at once
  4. Nerve examination when awakeAIN, median, radial, ulnar: record and compare with pre-op
  5. Analgesiaweight-based drug and dose
  6. Check X-rayAP and lateral elbow
  7. Pin-site carekeep dry; watch for discharge
  8. Follow-upX-ray at 1 week, change to long arm cast at 90 degrees; pins out at 3 to 4 weeks, then gentle movement

Signature

  1. Name and designation of person writing note
  2. Medical Council registration no.
  3. Signature / date / time of writingwrite before the patient leaves recovery

Worked example

Fictional case: Master A.K., 6 years, 20 kg, fell from a swing on the outstretched left hand. Closed Gartland type III extension-type supracondylar fracture of the left humerus, posteromedially displaced. Radial pulse present, hand pink. Operated 9 hours after injury.

Case details

Date: 18/09/2026. Emergency list. OT 2.

Injury 11:00. In OT 19:40. GA induced 19:50. Reduction started 20:02. Pinning completed 20:30. Splint applied 20:40.

Surgeon: Dr A. (3rd-year resident, Orthopaedics). Assistant: Dr B. Consultant: Dr C., present in OT.

Anaesthetist: Dr D. Scrub nurse: Sr E. C-arm technician: Mr F.

Indication and pre-op

Closed Gartland III extension-type supracondylar fracture, left humerus. No forearm or wrist fracture.

Pre-op: left radial pulse palpable, hand pink and warm, capillary refill under 2 s. AIN intact (makes OK sign, thumb IP flexion present). Radial nerve intact (thumb and finger extension, first web sensation). Ulnar nerve intact (finger abduction, little finger sensation). Forearm soft, no pain on passive finger stretch.

Neurovascular status checked hourly while waiting; unchanged.

Consent from father, Mr K.K., in Marathi, including possible open reduction. Site marked. WHO checklist done.

Inj cefazolin 600 mg IV (30 mg/kg) at 19:55, before skin preparation.

Anaesthesia and position

General anaesthesia. Supine, left elbow on the inverted image intensifier. No tourniquet.

Parts painted with povidone-iodine and draped.

Procedure

Traction on forearm with countertraction on arm, elbow extended. Medial translation and varus corrected.

Elbow flexed to about 120 degrees with anterior pressure on the olecranon, forearm pronated. Reduction achieved in the first attempt.

C-arm: AP through the forearm and both oblique views: medial and lateral columns intact. Lateral view by external rotation of shoulder: anterior humeral line through the middle of the capitellum.

Two 1.6 mm smooth K-wires passed from the lateral side, divergent, bicortical, engaging both columns, about 5 mm apart at the fracture line. No medial pin.

Elbow extended as far as the pins allowed. Stressed and rotated under C-arm: stable, third pin not needed. Carrying angle same as right side.

Pins bent and cut outside the skin. Final C-arm AP and lateral: reduction maintained. 4 images saved.

Closure

Pin sites dressed with sterile gauze.

Well-padded posterior above-elbow splint with elbow at about 70 degrees, forearm neutral.

At end: radial pulse palpable, hand pink, capillary refill under 2 s.

Specimens and implants

No specimen.

Implants: 2 K-wires 1.6 mm stainless steel, two lateral divergent configuration, left outside skin. Make and lot/batch no. as on packet; sticker pasted in case sheet.

C-arm: 4 images saved.

End of procedure

Blood loss nil. Mop, needle and instrument count correct. No intra-operative complications. Closed reduction successful; no open reduction.

Shifted to recovery, stable. Pulse 104/min, SpO2 99% on room air.

Post-op orders

Left arm elevated on pillow. Radial pulse, capillary refill, colour and finger movement hourly for 24 h.

Nerve examination (AIN, radial, ulnar) when fully awake; record and compare with pre-op.

Inform resident at once if the child becomes agitated or anxious, needs more analgesia, or has pain on passive finger stretch.

Analgesia as per paediatric anaesthesia chart (weight 20 kg). Check X-ray left elbow AP and lateral.

Review in fracture clinic at 1 week for X-ray and long arm cast at 90 degrees. Pin removal planned at 3 to 4 weeks.

Signature

Dr A., JR-3, Orthopaedics. Reg. no. ________. 18/09/2026, 20:55.

Must document for this operation

  • Radial pulse and hand perfusion (colour, temperature, capillary refill) before and after reduction. The management of a pulseless pink hand or a pale hand depends on this, and it is the first question in any later vascular complaint.
  • Anterior interosseous nerve (AIN), radial and ulnar nerve status before surgery and after the child wakes. A nerve deficit that appears after reduction or a medial pin needs urgent action; only a written pre-op finding separates injury from iatrogenic damage.
  • Pin configuration: number, diameter, lateral or crossed, and how the ulnar nerve was protected if a medial pin was used. Ulnar nerve injury from a medial pin is a common medicolegal claim; the note must show the precaution.
  • Quality of reduction on C-arm and carrying angle compared with the other side, with images saved. Cubitus varus is the commonest late problem and is judged against the reduction obtained at surgery.
  • Time of injury, time of surgery and neurovascular checks during any wait. Delayed surgery is acceptable only with a documented stable neurovascular status.
  • Compartment status and instructions to watch for it after surgery. Missed compartment syndrome leads to Volkmann contracture, a serious and indefensible outcome.

Common mistakes in these notes

  • Writing 'distal pulses present' with no comment on hand perfusion or on individual nerves.
  • Not recording the nerve examination before anaesthesia in a child who could cooperate.
  • Leaving out K-wire size, number and configuration.
  • Not writing the elbow angle in the splint.
  • No instruction to the ward about signs of compartment syndrome.

Indian practice and paperwork

  • Record the batch number of the K-wires used in the case sheet; NABH asks for implant batch and serial numbers in the medical record, the implant logbook and the discharge summary. (NABH Accreditation Standards for Hospitals, 5th ed. (2020), MOM.10(d))

Sources

  • Campbell's Core Orthopaedic Procedures. Elsevier; 2024, Technique 33, Closed reduction and percutaneous pinning of supracondylar fractures (two lateral pins) (Sawyer JR, Spence DD), pp. 156-157.
  • Campbell's Operative Orthopaedics. 15th ed. Elsevier, Ch 38, Fractures and dislocations in children: supracondylar humeral fractures, Technique 38.3, pp. 1366-1373.
  • Bratzler DW, et al. Clinical practice guidelines for antimicrobial prophylaxis in surgery. Am J Health Syst Pharm. 2013;70(3):195-283. Table 1: cefazolin paediatric dose 30 mg/kg IV (not above the adult dose), within 60 min before incision. academic.oup.com/ajhp/article/70/3/195/5112717

Educational template for residents. Adapt it to your institution's case-sheet format and your consultant's instructions. Patient details in the example are fictional.

Videos of this operation

Teaching videos and pages for this operation, listed under the curriculum item that asks for it.

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