[Bone setting manipulation combined with surgery for the treatment of calcaneal fractures].

OBJECTIVE: To investigate the clinical effects of bone setting manipulation on simplified operation and swelling reduction in treating calcaneal fractures. METHODS: From December 2005 to November 2010, 42 patients with calcaneal were reviewed, including 25 males and 17 females, ranging in age from 18 to 74 years, with an average of 41.4 years. Twenty patients had fractures in the left and 22 in the right. Twenty-three patients were treated with anatomical plate fixation, 19 patients were treated with Kirchners wires or cannulated screws fixation. The average period of swelling in soft tissue, joint function and complications were evaluated. RESULTS: Forty-two patients were followed up, and the duration ranged from 3 to 18 months, with a mean of 8.3 months. The pain was markedly relieved at the next day after reduction, and the swelling was relieved in 3 to 5 days. The operative was simplified and the average operative time was 90 minutes. The swelling was relieved in 4 to 7 days after the operation, and the necrosis of skin was not found. The average postoperatively Böhler angle was (31 +/- 3.2) degrees. Gissane angle was (112 +/- 5.3) degrees. Calcaneal width was (30.2 +/- 0.89) mm. According to Maryland foot function score system, 16 patients got an excellent result, 18 good, 6 fair and 2 bad. CONCLUSION: The operation is simplified, and skin complications decrease, as well as the detumescence period is shortened.

[Karyotype analysis of Picris davurica chromosome].

OBJECTIVE: To systematically study Picris davurica Fisch chromosome karyotype. METHODS: Sections combined with micrograph were used to analyse chromosome. RESULTS: Chromosome number of normal diploid was 2n = 10, karyotype formula was K (2n) = 10 = 2 m + 8 sm, the relative length was 2n = 10 = 2 L + 2 M2 + 4 M1 + 2 S, which belonged to "3 A" type. The total length of chromosome groups was 12.51 microns, the total length of long arms was 8.36 microns, the AS. K% was 66.83%. The total volume of chromosome was 11.71 microns3. CONCLUSION: Picris davurica chromosome number and morphological character were clear.