Estimation of Blood Pressure Using a Tail-cuff method in Lactating Rats

Kazuyuki SUZUKI; Hisashi HIROSE; Ryouji HOKAO; Naoyuki TAKEMURA; Shigekatsu MOTOYOSHI

doi:10.11276/jsvc1984.26.33

Tail-cuff法によるラットの血圧と泌乳について

鈴木一由, 広瀬昶, 外尾亮治, 竹村直行, 本好茂一

著者情報

ジャーナルフリー

1993 年 26 巻 1 号 p. 33-37

DOI https://doi.org/10.11276/jsvc1984.26.33

詳細

発行日: 1993 年受付日: 1992/12/01 J-STAGE公開日: 2009/09/17 受理日: 1993/09/25 早期公開日: - 改訂日: -
訂正情報
訂正日: 2009/09/17 訂正理由: - 訂正箇所: 論文抄録訂正内容: Wrong : The blood pressure (BT) and the heart rate (HR) during lactation in rats were measured by an indirect tail-caff method. The plasma osmotic pressure and hemotocrit (Ht) values were also measured as factors affecting the viscosity resistance of blood. Two groups were assigned in this study, i. e., (1) lactating group in which the litter size was adjusted to twelve pups at parturition and (2) control group in which the litter was removed from dams following parturition. The experiments were carried out on days 3, 5, 7, 10, 13 and 18 of lactation. The day of parturition was designated as day O of lactation. As a result, no noticeable changes in BP and HR were recognized between lactating and control groups. Ht (except for day 5) and plasma osmotic pressure (day 5 and after day 10) of the lactating group was significantly lower than those of control group through the lactation
Right : The blood pressure (BT) and the heart rate (HR) during lactation in rats were measured by an indirect tail-caff method. The plasma osmotic pressure and hemotocrit (Ht) values were also measured as factors affecting the viscosity resistance of blood. Two groups were assigned in this study, i. e., (1) lactating group in which the litter size was adjusted to twelve pups at parturition and (2) control group in which the litter was removed from dams following parturition. The experiments were carried out on days 3, 5, 7, 10, 13 and 18 of lactation. The day of parturition was designated as day 0 of lactation. As a result, no noticeable changes in BP and HR were recognized between lactating and control groups. Ht (except for day 5) and plasma osmotic pressure (day 5 and after day 10) of the lactating group was significantly lower than those of control group through the lactation days.

訂正日: 2009/09/17 訂正理由: - 訂正箇所: 引用文献情報訂正内容: 訂正前 : 9) 山本禎紀, 古本史. (1974) : 乳用種雄子牛の心拍数と熱発生量の関係について。日畜会報 : 48(3), 131-137.
10) 山本禎紀, 古本史. (1980) : 泌乳牛の心拍数と熱発生量の関係について。日畜会報 : 51(8), 541-547.

訂正後 : 9) 山本禎紀, 古本史. (1974) : 乳用種雄子牛の心拍数と熱発生量の関係について。日畜会報 : 48(3), 131-137.
10) 山本禎紀, 古本史. (1980) : 泌乳牛の心拍数と熱発生量の関係について。日畜会報 : 51(8), 541-547.

抄録

泌乳期間中に血液量および血漿量が増加すると同時に心拍出量が増加する。泌乳期間中には循環器系にこのような血液を中心とした変化の起こることが観察されているが, 心拍数や血圧に影響が現われるかどうかは知られていない。
我々はウイスター系ラット (分娩時12週齢,初回分娩) を用いて, 泌乳期間中における母親の血圧, 心拍数を非観血式自動血圧計を用いて検討した。分娩日を泌乳0日に設定し, 強制離乳した群を対照にし, 保育仔数を12匹にそろえた泌乳群について検討した。実験は泌乳3, 5, 7, 10, 13および18日目に行った。その結果, 両群の血圧値および心拍数にはほとんど差が認められなかった。

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